{"id":1385,"date":"2026-06-04T13:42:01","date_gmt":"2026-06-04T13:42:01","guid":{"rendered":"https:\/\/blog.predictleads.com\/?p=1385"},"modified":"2026-10-27T19:55:17","modified_gmt":"2026-10-27T19:55:17","slug":"best-builtwith-alternatives","status":"publish","type":"post","link":"https:\/\/predictleads.com\/blog\/best-builtwith-alternatives\/","title":{"rendered":"Best BuiltWith Alternatives in 2026"},"content":{"rendered":"<p><em>By Robert Fon \/ October 21, 2026<\/em><\/p><p>If your team still builds account lists by checking one website at a time in BuiltWith, you are prospecting from only the slice of a company\u2019s stack that its site exposes. The best BuiltWith alternatives add evidence a website never shows, such as job descriptions that name internal tools, and pair it with hiring, funding, and news signals delivered through an API, flat files, or webhooks your systems can read. PredictLeads is the strongest option in this comparison for B2B teams that need that combination, while Wappalyzer, SimilarTech, HG Insights, TheirStack, and Coresignal each fit narrower jobs. Below, all six are scored on the same six criteria.<\/p><p><strong>TLDR:<\/strong><\/p><ul class=\"list-disc pl-6\"><li class=\"list-item\">BuiltWith profiles what a website exposes (page code, headers, and DNS records), so tools with no web footprint, such as many CRM, data warehouse, and ERP products, can go unseen.<\/li><li class=\"list-item\">A strong BuiltWith alternative combines several evidence types, including job descriptions, and timestamps each detection so you can track adoption and change.<\/li><li class=\"list-item\">Most tools in this comparison cover one or two evidence types; PredictLeads is the only one here that pairs five-source technology detection with hiring, news, financing, and relationship data in a single API.<\/li><li class=\"list-item\">Wappalyzer and SimilarTech suit quick website lookups, HG Insights suits enterprise IT spend planning, TheirStack suits job-posting-based signals, and Coresignal suits bulk workforce datasets.<\/li><li class=\"list-item\">PredictLeads Technology Detections cover 2B+ detections since 2018 across 99M+ companies and 240,000+ technologies, delivered through API, flat files, webhooks, and MCP.<\/li><\/ul><p class=\"ez-toc-title\">Table of Contents<\/p><p><a target=\"_blank\" rel=\"dofollow\" class=\"text-blue-500 underline cursor-pointer ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" href=\"#\">Toggle<\/a><\/p><ul class=\"list-disc pl-6\"><li class=\"list-item ez-toc-page-1 ez-toc-heading-level-2\"><a target=\"_blank\" rel=\"dofollow\" class=\"text-blue-500 underline cursor-pointer ez-toc-link ez-toc-heading-1\" href=\"https:\/\/predictleads.com\/blog\/best-builtwith-alternatives\/#What_Is_a_BuiltWith_Alternative\">What Is a BuiltWith Alternative?<\/a><ul class=\"list-disc pl-6\"><li class=\"list-item ez-toc-heading-level-3\"><a target=\"_blank\" rel=\"dofollow\" class=\"text-blue-500 underline cursor-pointer ez-toc-link ez-toc-heading-2\" href=\"https:\/\/predictleads.com\/blog\/best-builtwith-alternatives\/#Why_Teams_Look_Beyond_BuiltWith\">Why Teams Look Beyond BuiltWith<\/a><\/li><\/ul><\/li><li class=\"list-item ez-toc-page-1 ez-toc-heading-level-2\"><a target=\"_blank\" rel=\"dofollow\" class=\"text-blue-500 underline cursor-pointer ez-toc-link ez-toc-heading-3\" href=\"https:\/\/predictleads.com\/blog\/best-builtwith-alternatives\/#How_We_Ranked_These_BuiltWith_Alternatives\">How We Ranked These BuiltWith Alternatives<\/a><\/li><li class=\"list-item ez-toc-page-1 ez-toc-heading-level-2\"><a target=\"_blank\" rel=\"dofollow\" class=\"text-blue-500 underline cursor-pointer ez-toc-link ez-toc-heading-4\" href=\"https:\/\/predictleads.com\/blog\/best-builtwith-alternatives\/#Best_Overall_BuiltWith_Alternative_PredictLeads\">Best Overall BuiltWith Alternative: PredictLeads<\/a><ul class=\"list-disc pl-6\"><li class=\"list-item ez-toc-heading-level-3\"><a target=\"_blank\" rel=\"dofollow\" class=\"text-blue-500 underline cursor-pointer ez-toc-link ez-toc-heading-5\" href=\"https:\/\/predictleads.com\/blog\/best-builtwith-alternatives\/#Why_the_Combination_Wins\">Why the Combination Wins<\/a><\/li><\/ul><\/li><li class=\"list-item ez-toc-page-1 ez-toc-heading-level-2\"><a target=\"_blank\" rel=\"dofollow\" class=\"text-blue-500 underline cursor-pointer ez-toc-link ez-toc-heading-6\" href=\"https:\/\/predictleads.com\/blog\/best-builtwith-alternatives\/#Wappalyzer_Fast_Website_Technology_Lookups\">Wappalyzer: Fast Website Technology Lookups<\/a><\/li><li class=\"list-item ez-toc-page-1 ez-toc-heading-level-2\"><a target=\"_blank\" rel=\"dofollow\" class=\"text-blue-500 underline cursor-pointer ez-toc-link ez-toc-heading-7\" href=\"https:\/\/predictleads.com\/blog\/best-builtwith-alternatives\/#SimilarTech_Website_Technology_With_Traffic_Context\">SimilarTech: Website Technology With Traffic Context<\/a><\/li><li class=\"list-item ez-toc-page-1 ez-toc-heading-level-2\"><a target=\"_blank\" rel=\"dofollow\" class=\"text-blue-500 underline cursor-pointer ez-toc-link ez-toc-heading-8\" href=\"https:\/\/predictleads.com\/blog\/best-builtwith-alternatives\/#HG_Insights_Enterprise_Technographics_and_IT_Spend\">HG Insights: Enterprise Technographics and IT Spend<\/a><\/li><li class=\"list-item ez-toc-page-1 ez-toc-heading-level-2\"><a target=\"_blank\" rel=\"dofollow\" class=\"text-blue-500 underline cursor-pointer ez-toc-link ez-toc-heading-9\" href=\"https:\/\/predictleads.com\/blog\/best-builtwith-alternatives\/#TheirStack_Technology_Signals_From_Job_Postings\">TheirStack: Technology Signals From Job Postings<\/a><\/li><li class=\"list-item ez-toc-page-1 ez-toc-heading-level-2\"><a target=\"_blank\" rel=\"dofollow\" class=\"text-blue-500 underline cursor-pointer ez-toc-link ez-toc-heading-10\" href=\"https:\/\/predictleads.com\/blog\/best-builtwith-alternatives\/#Coresignal_Bulk_Company_and_Workforce_Datasets\">Coresignal: Bulk Company and Workforce Datasets<\/a><\/li><li class=\"list-item ez-toc-page-1 ez-toc-heading-level-2\"><a target=\"_blank\" rel=\"dofollow\" class=\"text-blue-500 underline cursor-pointer ez-toc-link ez-toc-heading-11\" href=\"https:\/\/predictleads.com\/blog\/best-builtwith-alternatives\/#BuiltWith_Alternatives_Feature_Comparison\">BuiltWith Alternatives Feature Comparison<\/a><\/li><li class=\"list-item ez-toc-page-1 ez-toc-heading-level-2\"><a target=\"_blank\" rel=\"dofollow\" class=\"text-blue-500 underline cursor-pointer ez-toc-link ez-toc-heading-12\" href=\"https:\/\/predictleads.com\/blog\/best-builtwith-alternatives\/#Why_PredictLeads_Is_the_Best_BuiltWith_Alternative\">Why PredictLeads Is the Best BuiltWith Alternative<\/a><ul class=\"list-disc pl-6\"><li class=\"list-item ez-toc-heading-level-3\"><a target=\"_blank\" rel=\"dofollow\" class=\"text-blue-500 underline cursor-pointer ez-toc-link ez-toc-heading-13\" href=\"https:\/\/predictleads.com\/blog\/best-builtwith-alternatives\/#Evidence_You_Can_Audit\">Evidence You Can Audit<\/a><\/li><li class=\"list-item ez-toc-page-1 ez-toc-heading-level-3\"><a target=\"_blank\" rel=\"dofollow\" class=\"text-blue-500 underline cursor-pointer ez-toc-link ez-toc-heading-14\" href=\"https:\/\/predictleads.com\/blog\/best-builtwith-alternatives\/#Data_Your_Systems_Can_Consume\">Data Your Systems Can Consume<\/a><\/li><\/ul><\/li><li class=\"list-item ez-toc-page-1 ez-toc-heading-level-2\"><a target=\"_blank\" rel=\"dofollow\" class=\"text-blue-500 underline cursor-pointer ez-toc-link ez-toc-heading-15\" href=\"https:\/\/predictleads.com\/blog\/best-builtwith-alternatives\/#Frequently_Asked_Questions\">Frequently Asked Questions<\/a><ul class=\"list-disc pl-6\"><li class=\"list-item ez-toc-heading-level-3\"><a target=\"_blank\" rel=\"dofollow\" class=\"text-blue-500 underline cursor-pointer ez-toc-link ez-toc-heading-16\" href=\"https:\/\/predictleads.com\/blog\/best-builtwith-alternatives\/#What_is_the_best_BuiltWith_alternative_in_October_2026\">Best BuiltWith Alternative in October 2026<\/a><\/li><li class=\"list-item ez-toc-page-1 ez-toc-heading-level-3\"><a target=\"_blank\" rel=\"dofollow\" class=\"text-blue-500 underline cursor-pointer ez-toc-link ez-toc-heading-17\" href=\"https:\/\/predictleads.com\/blog\/best-builtwith-alternatives\/#Is_there_a_free_alternative_to_BuiltWith\">Is there a free alternative to BuiltWith?<\/a><\/li><li class=\"list-item ez-toc-page-1 ez-toc-heading-level-3\"><a target=\"_blank\" rel=\"dofollow\" class=\"text-blue-500 underline cursor-pointer ez-toc-link ez-toc-heading-18\" href=\"https:\/\/predictleads.com\/blog\/best-builtwith-alternatives\/#Can_a_BuiltWith_alternative_detect_technologies_that_do_not_appear_in_website_code\">Detecting Technologies Not in Website Code<\/a><\/li><li class=\"list-item ez-toc-page-1 ez-toc-heading-level-3\"><a target=\"_blank\" rel=\"dofollow\" class=\"text-blue-500 underline cursor-pointer ez-toc-link ez-toc-heading-19\" href=\"https:\/\/predictleads.com\/blog\/best-builtwith-alternatives\/#Which_BuiltWith_alternatives_offer_an_API_for_CRM_enrichment\">BuiltWith Alternatives With CRM Enrichment APIs<\/a><\/li><li class=\"list-item ez-toc-page-1 ez-toc-heading-level-3\"><a target=\"_blank\" rel=\"dofollow\" class=\"text-blue-500 underline cursor-pointer ez-toc-link ez-toc-heading-20\" href=\"https:\/\/predictleads.com\/blog\/best-builtwith-alternatives\/#Can_BuiltWith_alternatives_be_used_for_investment_research_or_private_equity_deal_sourcing\">BuiltWith Alternatives for Investment and Deal Sourcing<\/a><\/li><\/ul><\/li><li class=\"list-item ez-toc-page-1 ez-toc-heading-level-2\"><a target=\"_blank\" rel=\"dofollow\" class=\"text-blue-500 underline cursor-pointer ez-toc-link ez-toc-heading-21\" href=\"https:\/\/predictleads.com\/blog\/best-builtwith-alternatives\/#Ready_to_see_this_in_your_own_data\">Ready to See This in Your Data?<\/a><\/li><li class=\"list-item ez-toc-page-1 ez-toc-heading-level-2\"><a target=\"_blank\" rel=\"dofollow\" class=\"text-blue-500 underline cursor-pointer ez-toc-link ez-toc-heading-22\" href=\"https:\/\/predictleads.com\/blog\/best-builtwith-alternatives\/#Final_Thoughts_on_BuiltWith_Alternatives\">Final Thoughts on BuiltWith Alternatives<\/a><\/li><\/ul><div id=\"ez-toc-container\" class=\"ez-toc-v2_0_89 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Table of Contents<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/predictleads.com\/blog\/best-builtwith-alternatives\/#What_Is_a_BuiltWith_Alternative\" >What Is a BuiltWith Alternative?<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/predictleads.com\/blog\/best-builtwith-alternatives\/#Why_Teams_Look_Beyond_BuiltWith\" >Why Teams Look Beyond BuiltWith<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/predictleads.com\/blog\/best-builtwith-alternatives\/#How_We_Ranked_These_BuiltWith_Alternatives\" >How We Ranked These BuiltWith Alternatives<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/predictleads.com\/blog\/best-builtwith-alternatives\/#Best_Overall_BuiltWith_Alternative_PredictLeads\" >Best Overall BuiltWith Alternative: PredictLeads<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/predictleads.com\/blog\/best-builtwith-alternatives\/#Why_the_Combination_Wins\" >Why the Combination Wins<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/predictleads.com\/blog\/best-builtwith-alternatives\/#Wappalyzer_Fast_Website_Technology_Lookups\" >Wappalyzer: Fast Website Technology Lookups<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/predictleads.com\/blog\/best-builtwith-alternatives\/#SimilarTech_Website_Technology_With_Traffic_Context\" >SimilarTech: Website Technology With Traffic Context<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/predictleads.com\/blog\/best-builtwith-alternatives\/#HG_Insights_Enterprise_Technographics_and_IT_Spend\" >HG Insights: Enterprise Technographics and IT Spend<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/predictleads.com\/blog\/best-builtwith-alternatives\/#TheirStack_Technology_Signals_From_Job_Postings\" >TheirStack: Technology Signals From Job Postings<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/predictleads.com\/blog\/best-builtwith-alternatives\/#Coresignal_Bulk_Company_and_Workforce_Datasets\" >Coresignal: Bulk Company and Workforce Datasets<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/predictleads.com\/blog\/best-builtwith-alternatives\/#BuiltWith_Alternatives_Feature_Comparison\" >BuiltWith Alternatives Feature Comparison<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/predictleads.com\/blog\/best-builtwith-alternatives\/#Why_PredictLeads_Is_the_Best_BuiltWith_Alternative\" >Why PredictLeads Is the Best BuiltWith Alternative<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/predictleads.com\/blog\/best-builtwith-alternatives\/#Evidence_You_Can_Audit\" >Evidence You Can Audit<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/predictleads.com\/blog\/best-builtwith-alternatives\/#Data_Your_Systems_Can_Consume\" >Data Your Systems Can Consume<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/predictleads.com\/blog\/best-builtwith-alternatives\/#Frequently_Asked_Questions\" >Frequently Asked Questions<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-16\" href=\"https:\/\/predictleads.com\/blog\/best-builtwith-alternatives\/#What_is_the_best_BuiltWith_alternative_in_October_2026\" >What is the best BuiltWith alternative in October 2026?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-17\" href=\"https:\/\/predictleads.com\/blog\/best-builtwith-alternatives\/#Is_there_a_free_alternative_to_BuiltWith\" >Is there a free alternative to BuiltWith?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-18\" href=\"https:\/\/predictleads.com\/blog\/best-builtwith-alternatives\/#Can_a_BuiltWith_alternative_detect_technologies_that_do_not_appear_in_website_code\" >Can a BuiltWith alternative detect technologies that do not appear in website code?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-19\" href=\"https:\/\/predictleads.com\/blog\/best-builtwith-alternatives\/#Which_BuiltWith_alternatives_offer_an_API_for_CRM_enrichment\" >Which BuiltWith alternatives offer an API for CRM enrichment?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-20\" href=\"https:\/\/predictleads.com\/blog\/best-builtwith-alternatives\/#Can_BuiltWith_alternatives_be_used_for_investment_research_or_private_equity_deal_sourcing\" >Can BuiltWith alternatives be used for investment research or private equity deal sourcing?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-21\" href=\"https:\/\/predictleads.com\/blog\/best-builtwith-alternatives\/#Is_there_a_free_BuiltWith_alternative\" >Is there a free BuiltWith alternative?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-22\" href=\"https:\/\/predictleads.com\/blog\/best-builtwith-alternatives\/#What_is_the_cheapest_BuiltWith_alternative_for_finding_leads_based_on_technology_use\" >What is the cheapest BuiltWith alternative for finding leads based on technology use?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-23\" href=\"https:\/\/predictleads.com\/blog\/best-builtwith-alternatives\/#Can_I_find_companies_using_a_specific_niche_technology_or_JavaScript_framework\" >Can I find companies using a specific niche technology or JavaScript framework?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-24\" href=\"https:\/\/predictleads.com\/blog\/best-builtwith-alternatives\/#Which_BuiltWith_alternative_is_best_for_finding_companies_that_are_actively_scaling_their_engineering_team\" >Which BuiltWith alternative is best for finding companies that are actively scaling their engineering team?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-25\" href=\"https:\/\/predictleads.com\/blog\/best-builtwith-alternatives\/#Which_APIs_can_detect_when_a_company_stops_using_a_vendor_or_technology\" >Which APIs can detect when a company stops using a vendor or technology?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-26\" href=\"https:\/\/predictleads.com\/blog\/best-builtwith-alternatives\/#Whats_a_good_way_to_enrich_a_CRM_with_firmographic_and_technographic_data_through_one_API\" >What&#8217;s a good way to enrich a CRM with firmographic and technographic data through one API?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-27\" href=\"https:\/\/predictleads.com\/blog\/best-builtwith-alternatives\/#Which_data_providers_offer_a_similar_or_lookalike_companies_feature\" >Which data providers offer a similar or lookalike companies feature?<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-28\" href=\"https:\/\/predictleads.com\/blog\/best-builtwith-alternatives\/#Ready_to_see_this_in_your_own_data\" >Ready to see this in your own data?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-29\" href=\"https:\/\/predictleads.com\/blog\/best-builtwith-alternatives\/#Final_Thoughts_on_BuiltWith_Alternatives\" >Final Thoughts on BuiltWith Alternatives<\/a><\/li><\/ul><\/nav><\/div>\n<h2><span class=\"ez-toc-section\" id=\"What_Is_a_BuiltWith_Alternative\"><\/span>What Is a BuiltWith Alternative?<span class=\"ez-toc-section-end\"><\/span><\/h2><p>A BuiltWith alternative is a technographic data source that provides evidence of which technologies a company uses or has recently used, so you can find, segment, and rank accounts by their stack. BuiltWith built its reputation profiling the technologies a website exposes, and <a target=\"_blank\" rel=\"dofollow\" class=\"text-blue-500 underline cursor-pointer\" href=\"https:\/\/www.g2.com\/products\/builtwith\/reviews\">reviewers on G2<\/a> credit it for identifying the tools target companies use. Teams start comparing alternatives when they need evidence that page code cannot show, signals that explain why a stack is changing, or a feed their own systems can consume.<\/p><p>Each evidence type sees a different slice of the stack (see <a target=\"_blank\" rel=\"dofollow\" class=\"text-blue-500 underline cursor-pointer\" href=\"https:\/\/predictleads.com\/blog\/technographic-data-collection-methods\/\">how technographic data is collected<\/a> for the full method breakdown):<\/p><figure class=\"wp-block-image\"><img fetchpriority=\"high\" decoding=\"async\" width=\"1672\" height=\"941\" src=\"https:\/\/predictleads.com\/blog\/wp-content\/uploads\/2026\/10\/vLB0GA5xHPLj3NQHOeCFs.png\" alt=\"A modern abstract digital illustration representing technographic data detection: a central company building icon connected by glowing lines to multiple distinct data signal nodes such as a webpage\/browser window, a server\/DNS node, a network\/cloud infrastructure icon, a cookie icon, and a document\/resume icon representing job listings. Use a clean tech color palette of deep blue, teal, and white on a dark background, with a sense of interconnected evidence streams converging into one data point. No text, no words, no letters, no numbers in the image.\" class=\"wp-image-2223\" srcset=\"https:\/\/predictleads.com\/blog\/wp-content\/uploads\/2026\/10\/vLB0GA5xHPLj3NQHOeCFs.png 1672w, https:\/\/predictleads.com\/blog\/wp-content\/uploads\/2026\/10\/vLB0GA5xHPLj3NQHOeCFs-300x169.png 300w, https:\/\/predictleads.com\/blog\/wp-content\/uploads\/2026\/10\/vLB0GA5xHPLj3NQHOeCFs-1024x576.png 1024w, https:\/\/predictleads.com\/blog\/wp-content\/uploads\/2026\/10\/vLB0GA5xHPLj3NQHOeCFs-768x432.png 768w, https:\/\/predictleads.com\/blog\/wp-content\/uploads\/2026\/10\/vLB0GA5xHPLj3NQHOeCFs-1536x864.png 1536w\" sizes=\"(max-width: 1672px) 100vw, 1672px\" \/><\/figure><ul class=\"list-disc pl-6\"><li class=\"list-item\"><strong>Script tags and page code:<\/strong> analytics, tag managers, chat widgets, and ecommerce platforms that load in the browser.<\/li><li class=\"list-item\"><strong>DNS records:<\/strong> email, security, and verification services named in MX, TXT, and CNAME records. <a target=\"_blank\" rel=\"dofollow\" class=\"text-blue-500 underline cursor-pointer\" href=\"https:\/\/www.cloudflare.com\/learning\/dns\/dns-records\/dns-txt-record\/\">Cloudflare\u2019s explainer on DNS TXT records<\/a> shows why verification entries often name the vendor.<\/li><li class=\"list-item\"><strong>IP ranges:<\/strong> hosting, CDN, and cloud infrastructure behind a domain.<\/li><li class=\"list-item\"><strong>Cookies:<\/strong> marketing and personalization tools that set identifiable cookies.<\/li><li class=\"list-item\"><strong>Job descriptions:<\/strong> internal tools such as CRMs, data warehouses, and ERPs, named as required skills, that customers never see.<\/li><\/ul><h3><span class=\"ez-toc-section\" id=\"Why_Teams_Look_Beyond_BuiltWith\"><\/span>Why Teams Look Beyond BuiltWith<span class=\"ez-toc-section-end\"><\/span><\/h3><p>BuiltWith crawls websites and reads their HTML, JavaScript, headers, and DNS records, according to a <a target=\"_blank\" rel=\"dofollow\" class=\"text-blue-500 underline cursor-pointer\" href=\"https:\/\/syncgtm.com\/blog\/theirstack-review\">third-party comparison<\/a>. Three gaps push teams to look further. First, back-office coverage: a Salesforce or Snowflake contract rarely leaves a trace in public page code, so website-based detection can under-count the enterprise tools sales teams care about most. Second, delivery: list exports suit one-off campaigns, while RevOps and data teams want records flowing into a CRM, warehouse, or AI agent on a schedule. Third, cost structure: <a target=\"_blank\" rel=\"dofollow\" class=\"text-blue-500 underline cursor-pointer\" href=\"https:\/\/www.g2.com\/products\/builtwith\/pricing\">G2\u2019s pricing listing<\/a> shows BuiltWith plans starting at $295 per month, which some teams weigh against usage-based API pricing.<\/p><p>BuiltWith remains a reasonable fit when your main job is checking a single site\u2019s front-end stack or sizing the market for a web technology. PredictLeads Technology Detections draw on all five evidence types above and record how many contributed to each detection in the <code spellcheck=\"false\">source_count<\/code> field.<\/p><h2><span class=\"ez-toc-section\" id=\"How_We_Ranked_These_BuiltWith_Alternatives\"><\/span>How We Ranked These BuiltWith Alternatives<span class=\"ez-toc-section-end\"><\/span><\/h2><p>We scored each tool on six criteria that decide whether technographic data is usable for B2B targeting, and not merely interesting to browse:<\/p><ol class=\"list-decimal pl-6 space-y-1\"><li class=\"list-item\"><strong>Detection sources:<\/strong> how many independent evidence types feed each detection.<\/li><li class=\"list-item\"><strong>Coverage scale:<\/strong> published counts of companies, domains, and technologies.<\/li><li class=\"list-item\"><strong>Historical timestamps:<\/strong> first-seen and last-seen dates that support trend, renewal, and churn analysis.<\/li><li class=\"list-item\"><strong>Signals beyond technology:<\/strong> hiring, news, financing, or relationship data from the same provider.<\/li><li class=\"list-item\"><strong>Delivery methods:<\/strong> web app, API, flat files, webhooks, and MCP.<\/li><li class=\"list-item\"><strong>Source transparency:<\/strong> whether you can see which source produced a detection.<\/li><\/ol><p>Scoring is based on public documentation and neutral third-party reviews and listings, not hands-on testing of every product. Where we could not find enough published detail for a criterion, we noted it as a gap instead of guessing at a number. Coverage counts that appear only in a vendor\u2019s own materials are marked \u201cnot verified,\u201d because no neutral source confirms them.<\/p><h2><span class=\"ez-toc-section\" id=\"Best_Overall_BuiltWith_Alternative_PredictLeads\"><\/span>Best Overall BuiltWith Alternative: PredictLeads<span class=\"ez-toc-section-end\"><\/span><\/h2><p>PredictLeads is a B2B company intelligence and technographic data provider: it delivers structured, source-backed records that your CRM, enrichment pipeline, or AI agent consumes, not a prospecting app you log into. For teams replacing BuiltWith, the core is the <a target=\"_blank\" rel=\"dofollow\" class=\"text-blue-500 underline cursor-pointer\" href=\"https:\/\/predictleads.com\/technologies\">Technology Detections dataset<\/a>, backed by adjacent datasets that explain why a stack is changing.<\/p><p>Four stat tiles: 2B+ technology detections since 2018, 99M+ companies with detections, 240,000+ technologies tracked, and 5 detection sources including job descriptions. PredictLeads Technology Detections by the numbers 2B+ technology detections since 2018 99M+ companies with detections 240,000+ technologies tracked 5 detection sources, incl. job descriptions Source: PredictLeads dataset figures, October 2026. Figures are rounded.<\/p><p>PredictLeads Technology Detections at a glance.<\/p><ul class=\"list-disc pl-6\"><li class=\"list-item\"><strong>Technology Detections:<\/strong> 2B+ detections since 2018 across 99M+ companies and 240,000+ technologies, from script tags, DNS records, IP ranges, cookies, and job descriptions. The <code spellcheck=\"false\">behind_firewall<\/code> flag separates detections found outside public website code from those found in a website JS or HTML tag.<\/li><li class=\"list-item\"><strong>Job Openings:<\/strong> 279.2M+ postings since 2018 from 2.9M+ companies, 10.2M active at any time, each classified with <a target=\"_blank\" rel=\"dofollow\" class=\"text-blue-500 underline cursor-pointer\" href=\"https:\/\/www.onetcenter.org\/taxonomy.html\">O*NET occupation codes<\/a>. The descriptions are why <a target=\"_blank\" rel=\"dofollow\" class=\"text-blue-500 underline cursor-pointer\" href=\"https:\/\/predictleads.com\/blog\/job-openings-data-technographics\/\">job openings data improves tech stack accuracy<\/a>.<\/li><li class=\"list-item\"><strong>News Events:<\/strong> 10M+ events since 2016 across 37 categories, including <code spellcheck=\"false\">integrates_with<\/code>, <code spellcheck=\"false\">partners_with<\/code>, and <code spellcheck=\"false\">launches<\/code>.<\/li><li class=\"list-item\"><strong>Financing Events:<\/strong> 210,800+ events since 2016, from <code spellcheck=\"false\">pre_angel<\/code> through <code spellcheck=\"false\">series_j<\/code>, showing which accounts have fresh budget.<\/li><li class=\"list-item\"><strong>Connections:<\/strong> 371.8M+ company relationships since 2019, including ~1.4M integration-platform links drawn from customer, partner, and integration pages.<\/li><li class=\"list-item\"><strong>Similar Companies:<\/strong> lookalikes for 18.9M+ companies, up to 50 per company, with a written reason for the top 20 matches.<\/li><\/ul><h3><span class=\"ez-toc-section\" id=\"Why_the_Combination_Wins\"><\/span>Why the Combination Wins<span class=\"ez-toc-section-end\"><\/span><\/h3><p>A detection tells you a tool is in use; the surrounding signals tell you whether now is the time to reach out. Picture an account where HubSpot was first detected 11 months ago, two new roles list Salesforce administration as a required skill, and a <code spellcheck=\"false\">series_b<\/code> round closed last quarter. Each signal alone is ambiguous. Together they are stronger supporting evidence of a possible CRM transition, and a reason to <a target=\"_blank\" rel=\"dofollow\" class=\"text-blue-500 underline cursor-pointer\" href=\"https:\/\/predictleads.com\/blog\/time-outreach-renewal-windows\/\">time outreach around the renewal window<\/a> instead of waiting a quarter.<\/p><p>For example, a sales team targeting mid-market SaaS companies might use PredictLeads to identify a company that recently adopted Snowflake, posted three data engineer job openings in the past 30 days, and closed a Series B funding round last quarter. That combination of signals can indicate active data infrastructure investment and budget availability, the kind of input a <a target=\"_blank\" rel=\"dofollow\" class=\"text-blue-500 underline cursor-pointer\" href=\"https:\/\/predictleads.com\/blog\/technographic-lead-scoring-guide\/\">tech-based lead scoring model<\/a> uses to rank it as a stronger sales target than a company showing Snowflake usage alone.<\/p><p>PredictLeads is the only provider in this comparison that natively combines five-source technology detection with Job Openings, News Events, Financing Events, and Connections in a single API. Every record carries <code spellcheck=\"false\">first_seen_at<\/code> and <code spellcheck=\"false\">last_seen_at<\/code>, and API access is self-serve and pay-as-you-go, with a $40 minimum monthly charge for paid usage.<\/p><h2><span class=\"ez-toc-section\" id=\"Wappalyzer_Fast_Website_Technology_Lookups\"><\/span>Wappalyzer: Fast Website Technology Lookups<span class=\"ez-toc-section-end\"><\/span><\/h2><p><a target=\"_blank\" rel=\"dofollow\" class=\"text-blue-500 underline cursor-pointer\" href=\"https:\/\/predictleads.com\/blog\/best-wappalyzer-alternatives\/\">Wappalyzer<\/a> is a website technology profiler known for its browser extension, which identifies the CMS, ecommerce platform, analytics, and payment tools on the site you are viewing.<\/p><p><strong>What They Offer<\/strong><\/p><ul class=\"list-disc pl-6\"><li class=\"list-item\">Browser extension, web lookups, and bulk analysis of large URL lists<\/li><li class=\"list-item\">Lead lists filtered by technology, industry, or keyword, with company and traffic details<\/li><li class=\"list-item\">Alerts when a monitored site\u2019s technology stack changes<\/li><li class=\"list-item\">APIs and CRM integration on higher tiers; paid plans start at $250 per month, according to a <a target=\"_blank\" rel=\"dofollow\" class=\"text-blue-500 underline cursor-pointer\" href=\"https:\/\/www.copy.ai\/go-to-market-tools\/wappalyzer-review\">third-party Wappalyzer review<\/a><\/li><\/ul><p><strong>Good for:<\/strong> marketers, SEO teams, and SDRs who want a fast check of what a single website loads, right from the browser.<\/p><p><strong>Limitation:<\/strong> detection relies on what websites expose, so back-office tools that only surface in job descriptions can be missed, and first-seen and last-seen history was not published in the materials we reviewed.<\/p><p><strong>Bottom line:<\/strong> Wappalyzer answers \u201cwhat loads on this page\u201d; PredictLeads adds job-description evidence across 99M+ companies, flagged with <code spellcheck=\"false\">behind_firewall<\/code>, to show what a company uses behind the site.<\/p><p><strong>Sources:<\/strong> <a target=\"_blank\" rel=\"dofollow\" class=\"text-blue-500 underline cursor-pointer\" href=\"https:\/\/www.copy.ai\/go-to-market-tools\/wappalyzer-review\">Copy.ai Wappalyzer review<\/a>; <a target=\"_blank\" rel=\"dofollow\" class=\"text-blue-500 underline cursor-pointer\" href=\"https:\/\/www.capterra.com\/p\/211615\/Wappalyzer\/\">Capterra Wappalyzer listing<\/a>.<\/p><h2><span class=\"ez-toc-section\" id=\"SimilarTech_Website_Technology_With_Traffic_Context\"><\/span>SimilarTech: Website Technology With Traffic Context<span class=\"ez-toc-section-end\"><\/span><\/h2><p><a target=\"_blank\" rel=\"dofollow\" class=\"text-blue-500 underline cursor-pointer\" href=\"https:\/\/predictleads.com\/blog\/similartech-alternatives\/\">SimilarTech<\/a> is a technographics product, now part of Similarweb\u2019s sales intelligence offering, that tracks which technologies websites use and pairs them with web traffic context.<\/p><p><strong>What They Offer<\/strong><\/p><ul class=\"list-disc pl-6\"><li class=\"list-item\">Technology profiles for websites and lead lists of sites using a given technology<\/li><li class=\"list-item\">Alerts when a monitored website\u2019s technology stack changes<\/li><li class=\"list-item\">Traffic and geographic context drawn from Similarweb data<\/li><\/ul><p><strong>Good for:<\/strong> digital and ecommerce teams that want technology adoption viewed alongside site traffic, such as sizing a platform\u2019s market by the traffic of the sites using it.<\/p><p><strong>Limitation:<\/strong> detection is website-based, so tools that leave no trace on a website fall outside its published method, and per-detection source attribution was not published in the materials we reviewed.<\/p><p><strong>Bottom line:<\/strong> SimilarTech ties a stack to traffic; PredictLeads ties it to hiring, funding, and 10M+ News Events, so you can see why the stack is changing.<\/p><p><strong>Sources:<\/strong> <a target=\"_blank\" rel=\"dofollow\" class=\"text-blue-500 underline cursor-pointer\" href=\"https:\/\/www.g2.com\/products\/similartech\/reviews\">G2 SimilarTech reviews<\/a>; <a target=\"_blank\" rel=\"dofollow\" class=\"text-blue-500 underline cursor-pointer\" href=\"https:\/\/salesforge.ai\/directory\/sales-tools\/similartech\">Salesforge SimilarTech profile<\/a>.<\/p><h2><span class=\"ez-toc-section\" id=\"HG_Insights_Enterprise_Technographics_and_IT_Spend\"><\/span>HG Insights: Enterprise Technographics and IT Spend<span class=\"ez-toc-section-end\"><\/span><\/h2><p>HG Insights is an enterprise technology intelligence provider focused on technographics, IT spend, and buyer intent, and it added Intricately\u2019s cloud adoption and usage data when it <a target=\"_blank\" rel=\"dofollow\" class=\"text-blue-500 underline cursor-pointer\" href=\"https:\/\/www.mrweb.com\/drno\/news33054.htm\">acquired Intricately in March 2022<\/a>.<\/p><p><strong>What They Offer<\/strong><\/p><ul class=\"list-disc pl-6\"><li class=\"list-item\">Technographic data and IT spend estimates for enterprise account and territory planning<\/li><li class=\"list-item\">Cloud product adoption and usage data from Intricately\u2019s sensor network<\/li><li class=\"list-item\">Buyer intent signals and CRM integrations<\/li><\/ul><p><strong>Good for:<\/strong> large enterprise sales and marketing teams that plan territories around IT budgets and want spend estimates attached to technology data.<\/p><p><strong>Limitation:<\/strong> access is built for enterprises and pricing is not public, <a target=\"_blank\" rel=\"dofollow\" class=\"text-blue-500 underline cursor-pointer\" href=\"https:\/\/www.g2.com\/products\/hg-insights\/reviews\">G2 reviewers<\/a> cite cost as a barrier for smaller teams, and per-detection source attribution was not published.<\/p><p><strong>Bottom line:<\/strong> HG Insights focuses on spend; PredictLeads gives self-serve API access to 2B+ timestamped detections, starting with 100 free API requests.<\/p><p><strong>Sources:<\/strong> <a target=\"_blank\" rel=\"dofollow\" class=\"text-blue-500 underline cursor-pointer\" href=\"https:\/\/www.mrweb.com\/drno\/news33054.htm\">Mr Web acquisition coverage<\/a>; <a target=\"_blank\" rel=\"dofollow\" class=\"text-blue-500 underline cursor-pointer\" href=\"https:\/\/www.g2.com\/products\/hg-insights\/reviews\">G2 HG Insights reviews<\/a>.<\/p><h2><span class=\"ez-toc-section\" id=\"TheirStack_Technology_Signals_From_Job_Postings\"><\/span>TheirStack: Technology Signals From Job Postings<span class=\"ez-toc-section-end\"><\/span><\/h2><p><a target=\"_blank\" rel=\"dofollow\" class=\"text-blue-500 underline cursor-pointer\" href=\"https:\/\/predictleads.com\/blog\/theirstack-alternatives\/\">TheirStack<\/a> is a job-posting search and technographics tool that infers which technologies companies use from the skills named in their job listings, instead of by crawling websites.<\/p><p><strong>What They Offer<\/strong><\/p><ul class=\"list-disc pl-6\"><li class=\"list-item\">Technology detection from job descriptions, including backend and internal tools; a <a target=\"_blank\" rel=\"dofollow\" class=\"text-blue-500 underline cursor-pointer\" href=\"https:\/\/syncgtm.com\/blog\/theirstack-review\">third-party review<\/a> lists 32,000+ technologies across 11M+ companies<\/li><li class=\"list-item\">Job posting search and hiring-signal alerts<\/li><li class=\"list-item\">Web app, REST API, webhooks, and CSV export, with each detection linked to its source job posting<\/li><\/ul><p><strong>Good for:<\/strong> sales and recruiting-adjacent teams that want technology signals tied directly to hiring, especially for backend and data tools that never appear on a website.<\/p><p><strong>Limitation:<\/strong> detection relies only on job postings, so companies that rarely hire for a tool can be under-represented, and website, DNS, and IP-range evidence are not part of its published method.<\/p><p><strong>Bottom line:<\/strong> TheirStack reads one evidence type; PredictLeads uses job descriptions as one of five sources and backs them with 279.2M+ job postings since 2018.<\/p><p><strong>Sources:<\/strong> <a target=\"_blank\" rel=\"dofollow\" class=\"text-blue-500 underline cursor-pointer\" href=\"https:\/\/syncgtm.com\/blog\/theirstack-review\">SyncGTM TheirStack review<\/a>.<\/p><h2><span class=\"ez-toc-section\" id=\"Coresignal_Bulk_Company_and_Workforce_Datasets\"><\/span>Coresignal: Bulk Company and Workforce Datasets<span class=\"ez-toc-section-end\"><\/span><\/h2><p>Coresignal is a public web data provider that sells company, employee, and job posting datasets, plus technographic data, mainly to data and analytics teams.<\/p><p><strong>What They Offer<\/strong><\/p><ul class=\"list-disc pl-6\"><li class=\"list-item\">Company, employee, and job posting records; a <a target=\"_blank\" rel=\"dofollow\" class=\"text-blue-500 underline cursor-pointer\" href=\"https:\/\/proxyway.com\/reviews\/coresignal-review\">Proxyway review<\/a> lists 75M+ company and 839M+ employee records<\/li><li class=\"list-item\">Technographic data listed among its data categories on <a target=\"_blank\" rel=\"dofollow\" class=\"text-blue-500 underline cursor-pointer\" href=\"https:\/\/datarade.ai\/data-providers\/coresignal\/profile\">Datarade<\/a><\/li><li class=\"list-item\">API access, flat files in JSON, JSONL, CSV, or Parquet, cloud marketplace delivery, and MCP<\/li><\/ul><p><strong>Good for:<\/strong> data teams building workforce analytics, talent intelligence, or investment models that need employee-level and job records in bulk.<\/p><p><strong>Limitation:<\/strong> Proxyway notes self-service is mostly limited to the API and dataset pricing is sales-based, and a technology detection method with per-detection source attribution was not published in the materials we reviewed.<\/p><p><strong>Bottom line:<\/strong> Coresignal focuses on workforce data; PredictLeads focuses on company-level signals, pairing 2B+ technology detections with 371.8M+ Connections and 210,800+ Financing Events.<\/p><p><strong>Sources:<\/strong> <a target=\"_blank\" rel=\"dofollow\" class=\"text-blue-500 underline cursor-pointer\" href=\"https:\/\/proxyway.com\/reviews\/coresignal-review\">Proxyway Coresignal review<\/a>; <a target=\"_blank\" rel=\"dofollow\" class=\"text-blue-500 underline cursor-pointer\" href=\"https:\/\/datarade.ai\/data-providers\/coresignal\/profile\">Datarade Coresignal profile<\/a>.<\/p><h2><span class=\"ez-toc-section\" id=\"BuiltWith_Alternatives_Feature_Comparison\"><\/span>BuiltWith Alternatives Feature Comparison<span class=\"ez-toc-section-end\"><\/span><\/h2><p>The table scores each tool against the six criteria using public sources, with BuiltWith included as the baseline. \u201cNot published\u201d means we could not find the detail in public materials; \u201cnot verified\u201d means only the vendor reports it.<\/p><table class=\"border-collapse table-fixed w-full max-w-full\" style=\"border-collapse: collapse; width: 100%; min-width: 150px\"><caption style=\"caption-side: top; text-align: left; color: #000000; padding: 0 0 8px; font-size: 14px\">BuiltWith alternatives compared on six criteria (public sources, October 2026)<\/caption><tbody><tr class=\"\"><th colspan=\"1\" rowspan=\"1\" style=\"border: 1px solid #d1d5db; background-color: #f9fafb; color: #000000; padding: 12px; text-align: left; font-size: 14px\"><p>Tool<\/p><\/th><th colspan=\"1\" rowspan=\"1\" style=\"border: 1px solid #d1d5db; background-color: #f9fafb; color: #000000; padding: 12px; text-align: left; font-size: 14px\"><p>Detection sources<\/p><\/th><th colspan=\"1\" rowspan=\"1\" style=\"border: 1px solid #d1d5db; background-color: #f9fafb; color: #000000; padding: 12px; text-align: left; font-size: 14px\"><p>Coverage scale<\/p><\/th><th colspan=\"1\" rowspan=\"1\" style=\"border: 1px solid #d1d5db; background-color: #f9fafb; color: #000000; padding: 12px; text-align: left; font-size: 14px\"><p>Historical timestamps<\/p><\/th><th colspan=\"1\" rowspan=\"1\" style=\"border: 1px solid #d1d5db; background-color: #f9fafb; color: #000000; padding: 12px; text-align: left; font-size: 14px\"><p>Signals beyond technology<\/p><\/th><th colspan=\"1\" rowspan=\"1\" style=\"border: 1px solid #d1d5db; background-color: #f9fafb; color: #000000; padding: 12px; text-align: left; font-size: 14px\"><p>Delivery methods<\/p><\/th><th colspan=\"1\" rowspan=\"1\" style=\"border: 1px solid #d1d5db; background-color: #f9fafb; color: #000000; padding: 12px; text-align: left; font-size: 14px\"><p>Source transparency<\/p><\/th><\/tr><tr class=\"\"><th colspan=\"1\" rowspan=\"1\" style=\"border: 1px solid #d1d5db; background-color: #f9fafb; color: #000000; padding: 12px; text-align: left; font-size: 14px\"><p>PredictLeads<\/p><\/th><td colspan=\"1\" rowspan=\"1\" style=\"border: 1px solid #d1d5db; background-color: #ffffff; color: #000000; padding: 12px; font-size: 14px\"><p>Yes: 5 sources: script tags, DNS records, IP ranges, cookies, job descriptions<\/p><\/td><td colspan=\"1\" rowspan=\"1\" style=\"border: 1px solid #d1d5db; background-color: #ffffff; color: #000000; padding: 12px; font-size: 14px\"><p>Yes: 2B+ detections, 99M+ companies, 240,000+ technologies<\/p><\/td><td colspan=\"1\" rowspan=\"1\" style=\"border: 1px solid #d1d5db; background-color: #ffffff; color: #000000; padding: 12px; font-size: 14px\"><p>Yes: first_seen_at and last_seen_at since 2018<\/p><\/td><td colspan=\"1\" rowspan=\"1\" style=\"border: 1px solid #d1d5db; background-color: #ffffff; color: #000000; padding: 12px; font-size: 14px\"><p>Yes: Job Openings, News Events, Financing Events, Connections<\/p><\/td><td colspan=\"1\" rowspan=\"1\" style=\"border: 1px solid #d1d5db; background-color: #ffffff; color: #000000; padding: 12px; font-size: 14px\"><p>API, flat files, webhooks, MCP<\/p><\/td><td colspan=\"1\" rowspan=\"1\" style=\"border: 1px solid #d1d5db; background-color: #ffffff; color: #000000; padding: 12px; font-size: 14px\"><p>Yes: source_count; detection_source in Extended<\/p><\/td><\/tr><tr class=\"\"><th colspan=\"1\" rowspan=\"1\" style=\"border: 1px solid #d1d5db; background-color: #f9fafb; color: #000000; padding: 12px; text-align: left; font-size: 14px\"><p>BuiltWith (baseline)<\/p><\/th><td colspan=\"1\" rowspan=\"1\" style=\"border: 1px solid #d1d5db; background-color: #ffffff; color: #000000; padding: 12px; font-size: 14px\"><p>Partial: page code, headers, DNS records<\/p><\/td><td colspan=\"1\" rowspan=\"1\" style=\"border: 1px solid #d1d5db; background-color: #ffffff; color: #000000; padding: 12px; font-size: 14px\"><p>Not verified<\/p><\/td><td colspan=\"1\" rowspan=\"1\" style=\"border: 1px solid #d1d5db; background-color: #ffffff; color: #000000; padding: 12px; font-size: 14px\"><p>Yes: first and last detected dates<\/p><\/td><td colspan=\"1\" rowspan=\"1\" style=\"border: 1px solid #d1d5db; background-color: #ffffff; color: #000000; padding: 12px; font-size: 14px\"><p>Partial: website and company metadata<\/p><\/td><td colspan=\"1\" rowspan=\"1\" style=\"border: 1px solid #d1d5db; background-color: #ffffff; color: #000000; padding: 12px; font-size: 14px\"><p>Web app, list exports, API<\/p><\/td><td colspan=\"1\" rowspan=\"1\" style=\"border: 1px solid #d1d5db; background-color: #ffffff; color: #000000; padding: 12px; font-size: 14px\"><p>Not published<\/p><\/td><\/tr><tr class=\"\"><th colspan=\"1\" rowspan=\"1\" style=\"border: 1px solid #d1d5db; background-color: #f9fafb; color: #000000; padding: 12px; text-align: left; font-size: 14px\"><p>Wappalyzer<\/p><\/th><td colspan=\"1\" rowspan=\"1\" style=\"border: 1px solid #d1d5db; background-color: #ffffff; color: #000000; padding: 12px; font-size: 14px\"><p>Partial: website scanning<\/p><\/td><td colspan=\"1\" rowspan=\"1\" style=\"border: 1px solid #d1d5db; background-color: #ffffff; color: #000000; padding: 12px; font-size: 14px\"><p>Not verified<\/p><\/td><td colspan=\"1\" rowspan=\"1\" style=\"border: 1px solid #d1d5db; background-color: #ffffff; color: #000000; padding: 12px; font-size: 14px\"><p>Not published<\/p><\/td><td colspan=\"1\" rowspan=\"1\" style=\"border: 1px solid #d1d5db; background-color: #ffffff; color: #000000; padding: 12px; font-size: 14px\"><p>Partial: company and traffic details<\/p><\/td><td colspan=\"1\" rowspan=\"1\" style=\"border: 1px solid #d1d5db; background-color: #ffffff; color: #000000; padding: 12px; font-size: 14px\"><p>Extension, web app, API, CRM integration<\/p><\/td><td colspan=\"1\" rowspan=\"1\" style=\"border: 1px solid #d1d5db; background-color: #ffffff; color: #000000; padding: 12px; font-size: 14px\"><p>Not published<\/p><\/td><\/tr><tr class=\"\"><th colspan=\"1\" rowspan=\"1\" style=\"border: 1px solid #d1d5db; background-color: #f9fafb; color: #000000; padding: 12px; text-align: left; font-size: 14px\"><p>SimilarTech<\/p><\/th><td colspan=\"1\" rowspan=\"1\" style=\"border: 1px solid #d1d5db; background-color: #ffffff; color: #000000; padding: 12px; font-size: 14px\"><p>Partial: website detection<\/p><\/td><td colspan=\"1\" rowspan=\"1\" style=\"border: 1px solid #d1d5db; background-color: #ffffff; color: #000000; padding: 12px; font-size: 14px\"><p>Not verified<\/p><\/td><td colspan=\"1\" rowspan=\"1\" style=\"border: 1px solid #d1d5db; background-color: #ffffff; color: #000000; padding: 12px; font-size: 14px\"><p>Partial: stack-change alerts<\/p><\/td><td colspan=\"1\" rowspan=\"1\" style=\"border: 1px solid #d1d5db; background-color: #ffffff; color: #000000; padding: 12px; font-size: 14px\"><p>Partial: Similarweb traffic data<\/p><\/td><td colspan=\"1\" rowspan=\"1\" style=\"border: 1px solid #d1d5db; background-color: #ffffff; color: #000000; padding: 12px; font-size: 14px\"><p>Web app, lead lists, alerts<\/p><\/td><td colspan=\"1\" rowspan=\"1\" style=\"border: 1px solid #d1d5db; background-color: #ffffff; color: #000000; padding: 12px; font-size: 14px\"><p>Not published<\/p><\/td><\/tr><tr class=\"\"><th colspan=\"1\" rowspan=\"1\" style=\"border: 1px solid #d1d5db; background-color: #f9fafb; color: #000000; padding: 12px; text-align: left; font-size: 14px\"><p>HG Insights<\/p><\/th><td colspan=\"1\" rowspan=\"1\" style=\"border: 1px solid #d1d5db; background-color: #ffffff; color: #000000; padding: 12px; font-size: 14px\"><p>Partial: technographics plus cloud sensor data<\/p><\/td><td colspan=\"1\" rowspan=\"1\" style=\"border: 1px solid #d1d5db; background-color: #ffffff; color: #000000; padding: 12px; font-size: 14px\"><p>Not verified<\/p><\/td><td colspan=\"1\" rowspan=\"1\" style=\"border: 1px solid #d1d5db; background-color: #ffffff; color: #000000; padding: 12px; font-size: 14px\"><p>Not published<\/p><\/td><td colspan=\"1\" rowspan=\"1\" style=\"border: 1px solid #d1d5db; background-color: #ffffff; color: #000000; padding: 12px; font-size: 14px\"><p>Partial: IT spend, buyer intent<\/p><\/td><td colspan=\"1\" rowspan=\"1\" style=\"border: 1px solid #d1d5db; background-color: #ffffff; color: #000000; padding: 12px; font-size: 14px\"><p>Platform, CRM integrations<\/p><\/td><td colspan=\"1\" rowspan=\"1\" style=\"border: 1px solid #d1d5db; background-color: #ffffff; color: #000000; padding: 12px; font-size: 14px\"><p>Not published<\/p><\/td><\/tr><tr class=\"\"><th colspan=\"1\" rowspan=\"1\" style=\"border: 1px solid #d1d5db; background-color: #f9fafb; color: #000000; padding: 12px; text-align: left; font-size: 14px\"><p>TheirStack<\/p><\/th><td colspan=\"1\" rowspan=\"1\" style=\"border: 1px solid #d1d5db; background-color: #ffffff; color: #000000; padding: 12px; font-size: 14px\"><p>Partial: job postings only<\/p><\/td><td colspan=\"1\" rowspan=\"1\" style=\"border: 1px solid #d1d5db; background-color: #ffffff; color: #000000; padding: 12px; font-size: 14px\"><p>Yes: 32,000+ technologies, 11M+ companies (SyncGTM)<\/p><\/td><td colspan=\"1\" rowspan=\"1\" style=\"border: 1px solid #d1d5db; background-color: #ffffff; color: #000000; padding: 12px; font-size: 14px\"><p>Yes: job posting dates<\/p><\/td><td colspan=\"1\" rowspan=\"1\" style=\"border: 1px solid #d1d5db; background-color: #ffffff; color: #000000; padding: 12px; font-size: 14px\"><p>Partial: job postings, hiring alerts<\/p><\/td><td colspan=\"1\" rowspan=\"1\" style=\"border: 1px solid #d1d5db; background-color: #ffffff; color: #000000; padding: 12px; font-size: 14px\"><p>Web app, API, webhooks, CSV export<\/p><\/td><td colspan=\"1\" rowspan=\"1\" style=\"border: 1px solid #d1d5db; background-color: #ffffff; color: #000000; padding: 12px; font-size: 14px\"><p>Yes: links to source job posting<\/p><\/td><\/tr><tr class=\"\"><th colspan=\"1\" rowspan=\"1\" style=\"border: 1px solid #d1d5db; background-color: #f9fafb; color: #000000; padding: 12px; text-align: left; font-size: 14px\"><p>Coresignal<\/p><\/th><td colspan=\"1\" rowspan=\"1\" style=\"border: 1px solid #d1d5db; background-color: #ffffff; color: #000000; padding: 12px; font-size: 14px\"><p>Partial: technographic method not published<\/p><\/td><td colspan=\"1\" rowspan=\"1\" style=\"border: 1px solid #d1d5db; background-color: #ffffff; color: #000000; padding: 12px; font-size: 14px\"><p>Partial. 75M+ companies (Proxyway); tech counts vary<\/p><\/td><td colspan=\"1\" rowspan=\"1\" style=\"border: 1px solid #d1d5db; background-color: #ffffff; color: #000000; padding: 12px; font-size: 14px\"><p>Partial. Historical headcount<\/p><\/td><td colspan=\"1\" rowspan=\"1\" style=\"border: 1px solid #d1d5db; background-color: #ffffff; color: #000000; padding: 12px; font-size: 14px\"><p>Yes. Company, employee, job posting data<\/p><\/td><td colspan=\"1\" rowspan=\"1\" style=\"border: 1px solid #d1d5db; background-color: #ffffff; color: #000000; padding: 12px; font-size: 14px\"><p>API, flat files, cloud marketplaces, MCP<\/p><\/td><td colspan=\"1\" rowspan=\"1\" style=\"border: 1px solid #d1d5db; background-color: #ffffff; color: #000000; padding: 12px; font-size: 14px\"><p>Not published<\/p><\/td><\/tr><\/tbody><\/table><p>If your team mostly checks individual websites, several rows cover that job. If you need technology evidence combined with hiring, funding, and relationship signals in one feed, PredictLeads is the only tool in the table marked Yes for detection sources, coverage, timestamps, signals, and source transparency together.<\/p><p>Use this short list to match your use case to a tool:<\/p><ul class=\"list-disc pl-6\"><li class=\"list-item\">If you need pure website technology lookups on a budget, choose Wappalyzer.<\/li><li class=\"list-item\">If you need website technology data paired with traffic context, choose SimilarTech.<\/li><li class=\"list-item\">If you need enterprise IT spend and cloud adoption intelligence, choose HG Insights.<\/li><li class=\"list-item\">If you need technology signals built from job postings alone, choose TheirStack.<\/li><li class=\"list-item\">If you need workforce and company datasets at scale, choose Coresignal.<\/li><li class=\"list-item\">If you need technology detection combined with hiring, funding, and company growth signals for B2B sales and marketing, choose PredictLeads.<\/li><li class=\"list-item\">If you only need occasional website technology lookups for market research, BuiltWith itself may still suffice.<\/li><\/ul><p>Weigh your budget against how often you need fresh data, since some tools price by seat and others by usage. Decide whether API access matters more than manual lookups, especially if the data needs to feed a CRM or warehouse on a schedule. When business context such as hiring, funding, or news changes the timing of your outreach, that often matters more than raw technology coverage alone.<\/p><h2><span class=\"ez-toc-section\" id=\"Why_PredictLeads_Is_the_Best_BuiltWith_Alternative\"><\/span>Why PredictLeads Is the Best BuiltWith Alternative<span class=\"ez-toc-section-end\"><\/span><\/h2><p>Website lookups answer one question: what loads on this page. Teams replacing BuiltWith usually need three more answers: what the company uses behind the site, when that changed, and whether other signals suggest it is about to change again. PredictLeads answers all four from one source. For the wider market view, see our ranking of the <a target=\"_blank\" rel=\"dofollow\" class=\"text-blue-500 underline cursor-pointer\" href=\"https:\/\/predictleads.com\/blog\/technographic-data-providers\/\">best technographic data providers<\/a>.<\/p><p>Diagram: script tags, DNS records, IP ranges, cookies, and job descriptions feed a PredictLeads technology detection record with first_seen_at, last_seen_at, source_count, and behind_firewall fields, which is paired in the same API with Job Openings, News Events, Financing Events, and Connections. Five evidence sources, one timestamped detection Script tags DNS records IP ranges Cookies Job descriptions Technology detection first_seen_at last_seen_at source_count behind_firewall Paired in one API Job Openings News Events Financing Events Connections Job descriptions surface internal tools that never appear on a website. behind_firewall = true: the evidence did not come from a website JS or HTML tag.<\/p><p>How PredictLeads turns five evidence types into one auditable, timestamped detection.<\/p><h3><span class=\"ez-toc-section\" id=\"Evidence_You_Can_Audit\"><\/span>Evidence You Can Audit<span class=\"ez-toc-section-end\"><\/span><\/h3><p>Every detection carries <code spellcheck=\"false\">first_seen_at<\/code>, <code spellcheck=\"false\">last_seen_at<\/code>, <code spellcheck=\"false\">source_count<\/code>, and the <code spellcheck=\"false\">behind_firewall<\/code> flag, and <a target=\"_blank\" rel=\"dofollow\" class=\"text-blue-500 underline cursor-pointer\" href=\"https:\/\/predictleads.com\/blog\/technographics-dataset\/\">Extended Technology Detections<\/a> add <code spellcheck=\"false\">detection_source<\/code> and <code spellcheck=\"false\">detection_source_type<\/code>, so you can see where the evidence came from. That matters when a tool disappears. A technology that is no longer detected may reflect a script change, a recrawl gap, or a signature change, so PredictLeads reports the last date it was seen rather than declaring a cancellation. If job postings also stop mentioning the tool, treat that as stronger supporting evidence of a possible transition, not confirmation.<\/p><h3><span class=\"ez-toc-section\" id=\"Data_Your_Systems_Can_Consume\"><\/span>Data Your Systems Can Consume<span class=\"ez-toc-section-end\"><\/span><\/h3><p>To <a target=\"_blank\" rel=\"dofollow\" class=\"text-blue-500 underline cursor-pointer\" href=\"https:\/\/predictleads.com\/blog\/find-companies-using-technology\/\">find every company using a technology<\/a>, call <code spellcheck=\"false\">GET \/discover\/technologies\/{technology_id_or_fuzzy_name}\/technology_detections<\/code>, which returns detections ordered by <code spellcheck=\"false\">first_seen_at<\/code>. To enrich a known account, call <code spellcheck=\"false\">GET \/companies\/{company_id_or_domain}\/technology_detections<\/code>. The Technologies catalog adds <code spellcheck=\"false\">pricing_data<\/code> (<code spellcheck=\"false\">min_usd<\/code>, <code spellcheck=\"false\">max_usd<\/code>, and <code spellcheck=\"false\">average_spend<\/code>) for spend-based prioritization, and the full schema lives in the <a target=\"_blank\" rel=\"dofollow\" class=\"text-blue-500 underline cursor-pointer\" href=\"https:\/\/docs.predictleads.com\">PredictLeads API documentation<\/a>.<\/p><p>Pick the <a target=\"_blank\" rel=\"dofollow\" class=\"text-blue-500 underline cursor-pointer\" href=\"https:\/\/predictleads.com\/blog\/company-data-api-flat-files-webhooks-mcp\/\">delivery method that fits your stack<\/a>: the API for real-time lookups, flat files for Snowflake or BigQuery, webhooks for push alerts on followed companies, and MCP for AI agents through the <a target=\"_blank\" rel=\"dofollow\" class=\"text-blue-500 underline cursor-pointer\" href=\"https:\/\/docs.predictleads.com\/mcp_integration\/introduction\">PredictLeads MCP server<\/a>. PredictLeads is SOC 2 Type II certified, GDPR and CCPA compliant, and collects only publicly available information; it is a company intelligence provider, not a contact database.<\/p><h2><span class=\"ez-toc-section\" id=\"Frequently_Asked_Questions\"><\/span>Frequently Asked Questions<span class=\"ez-toc-section-end\"><\/span><\/h2><h3><span class=\"ez-toc-section\" id=\"What_is_the_best_BuiltWith_alternative_in_October_2026\"><\/span>What is the best BuiltWith alternative in October 2026?<span class=\"ez-toc-section-end\"><\/span><\/h3><p>For B2B teams that need technographic data inside a CRM, enrichment pipeline, or AI workflow, PredictLeads is the strongest BuiltWith alternative in this comparison. It detects technologies from five sources, including job descriptions that reveal tools a website never shows, and timestamps every detection with <code spellcheck=\"false\">first_seen_at<\/code> and <code spellcheck=\"false\">last_seen_at<\/code>. Technology Detections cover 2B+ detections since 2018 across 99M+ companies. If you only need a quick look at one site\u2019s front-end stack, a browser-extension profiler can be enough.<\/p><h3><span class=\"ez-toc-section\" id=\"Is_there_a_free_alternative_to_BuiltWith\"><\/span>Is there a free alternative to BuiltWith?<span class=\"ez-toc-section-end\"><\/span><\/h3><p>Yes, for light use. Browser-extension tools such as Wappalyzer offer a limited number of free lookups, though free tiers usually exclude bulk exports and history. PredictLeads gives you 100 free API requests per month, with no credit card required, so you can pull Technology Detections for your own target accounts before paying. Paid usage is pay-as-you-go with a $40 minimum monthly charge.<\/p><h3><span class=\"ez-toc-section\" id=\"Can_a_BuiltWith_alternative_detect_technologies_that_do_not_appear_in_website_code\"><\/span>Can a BuiltWith alternative detect technologies that do not appear in website code?<span class=\"ez-toc-section-end\"><\/span><\/h3><p>Yes, if it uses evidence beyond the website. A job posting that asks for Salesforce administration or Snowflake experience is evidence the company uses or has recently used that tool, even though neither appears in page code. PredictLeads combines job descriptions with script tags, DNS records, IP ranges, and cookies, and the <code spellcheck=\"false\">behind_firewall<\/code> field flags detections that did not come from a website JS or HTML tag. Treat one job-posting mention as evidence of use, not proof of an active contract.<\/p><h3><span class=\"ez-toc-section\" id=\"Which_BuiltWith_alternatives_offer_an_API_for_CRM_enrichment\"><\/span>Which BuiltWith alternatives offer an API for CRM enrichment?<span class=\"ez-toc-section-end\"><\/span><\/h3><p>Most tools in this comparison publish some form of API, so the better question is what each record contains. Request one target account and check for a first-seen date, a last-seen date, and the source behind each detection. PredictLeads returns <code spellcheck=\"false\">first_seen_at<\/code>, <code spellcheck=\"false\">last_seen_at<\/code>, and <code spellcheck=\"false\">source_count<\/code> on every Technology Detections record, with <code spellcheck=\"false\">detection_source<\/code> in the Extended version. A company-specific lookup typically costs 1 credit per response, and the same data is available as flat files, webhooks, or MCP.<\/p><h3><span class=\"ez-toc-section\" id=\"Can_BuiltWith_alternatives_be_used_for_investment_research_or_private_equity_deal_sourcing\"><\/span>Can BuiltWith alternatives be used for investment research or private equity deal sourcing?<span class=\"ez-toc-section-end\"><\/span><\/h3><p>Yes, especially when technology data is combined with growth signals. Technographics help investors screen targets by stack maturity and flag changes worth a diligence question. PredictLeads pairs Technology Detections with Job Openings (279.2M+ records since 2018) as a growth proxy, Financing Events (210,800+ since 2016), and Similar Companies with written similarity reasons for comparable sets. You can load it as flat files into Snowflake or BigQuery and use the API for ad hoc checks.<\/p><h3><span class=\"ez-toc-section\" id=\"Is_there_a_free_BuiltWith_alternative\"><\/span>Is there a free BuiltWith alternative?<span class=\"ez-toc-section-end\"><\/span><\/h3><p>Yes. Wappalyzer&#8217;s browser extension offers free technology lookups for individual sites, so you can check a site&#8217;s stack without a paid plan. Bulk data, lead lists, and API access typically require a paid plan once you move past one-off lookups. PredictLeads also gives you 100 free API requests to test Technology Detections on your own target accounts.<\/p><h3><span class=\"ez-toc-section\" id=\"What_is_the_cheapest_BuiltWith_alternative_for_finding_leads_based_on_technology_use\"><\/span>What is the cheapest BuiltWith alternative for finding leads based on technology use?<span class=\"ez-toc-section-end\"><\/span><\/h3><p>Teams on a budget often start with Wappalyzer or another free lookup tool to spot-check a handful of accounts. Once you need to build lead lists at scale, or pair technology data with hiring, funding, and company signals, providers like PredictLeads become the more cost-effective option, since pay-as-you-go API pricing scales with usage instead of a flat subscription.<\/p><h3><span class=\"ez-toc-section\" id=\"Can_I_find_companies_using_a_specific_niche_technology_or_JavaScript_framework\"><\/span>Can I find companies using a specific niche technology or JavaScript framework?<span class=\"ez-toc-section-end\"><\/span><\/h3><p>In most cases, yes. PredictLeads, Wappalyzer, and BuiltWith all support technology-specific searches, letting you query for companies using a named tool or framework. Coverage of newer or niche technologies varies by provider, since it depends on how frequently each vendor updates its technology catalog and recrawls sites.<\/p><h3><span class=\"ez-toc-section\" id=\"Which_BuiltWith_alternative_is_best_for_finding_companies_that_are_actively_scaling_their_engineering_team\"><\/span>Which BuiltWith alternative is best for finding companies that are actively scaling their engineering team?<span class=\"ez-toc-section-end\"><\/span><\/h3><p>Technology detection alone is not the strongest signal here, because hiring often precedes visible technology adoption. Combining technology detection with <a target=\"_blank\" rel=\"dofollow\" class=\"text-blue-500 underline cursor-pointer\" href=\"https:\/\/predictleads.com\/blog\/job-openings-data-hiring-signals-b2b\/\">Job Openings data<\/a>, as PredictLeads provides, gives you earlier evidence: a company hiring for a specific stack skill can signal a tool change before it shows up in website code.<\/p><h3><span class=\"ez-toc-section\" id=\"Which_APIs_can_detect_when_a_company_stops_using_a_vendor_or_technology\"><\/span>Which APIs can detect when a company stops using a vendor or technology?<span class=\"ez-toc-section-end\"><\/span><\/h3><p>PredictLeads Technology Detections timestamp every record with <code spellcheck=\"false\">first_seen_at<\/code> and <code spellcheck=\"false\">last_seen_at<\/code>, so you can see when a technology was last detected instead of guessing at a cancellation date. A technology that is no longer detected may reflect a script change, a recrawl gap, or a signature change, so treat a widening gap between <code spellcheck=\"false\">last_seen_at<\/code> and today as evidence worth checking, not confirmation that a vendor was dropped. The <code spellcheck=\"false\">source_count<\/code> field shows how many evidence types confirmed the detection, and Extended Technology Detections add <code spellcheck=\"false\">detection_source<\/code> for each one. Pairing a fading detection with new Job Openings that name a different tool as a required skill gives stronger supporting evidence of a vendor switch. Query <code spellcheck=\"false\">GET \/companies\/{company_id_or_domain}\/technology_detections<\/code> for one account, or <code spellcheck=\"false\">GET \/discover\/technologies\/{technology_id_or_fuzzy_name}\/technology_detections<\/code> to find every company with a detection for a given tool.<\/p><h3><span class=\"ez-toc-section\" id=\"Whats_a_good_way_to_enrich_a_CRM_with_firmographic_and_technographic_data_through_one_API\"><\/span>What&#8217;s a good way to enrich a CRM with firmographic and technographic data through one API?<span class=\"ez-toc-section-end\"><\/span><\/h3><p>Pull both record types in the same enrichment call so your CRM fields update together instead of drifting apart. PredictLeads&#8217; Companies dataset supplies firmographic fields such as location, revenue range, and headcount, while Technology Detections supplies technographic evidence from script tags, DNS records, IP ranges, cookies, and job descriptions, and both carry <code spellcheck=\"false\">first_seen_at<\/code> and <code spellcheck=\"false\">last_seen_at<\/code> timestamps on every record. Call <code spellcheck=\"false\">GET \/companies\/{id_or_domain}<\/code> for the firmographic record and <code spellcheck=\"false\">GET \/companies\/{company_id_or_domain}\/technology_detections<\/code> for the technology evidence, or run both through Clay, Make, or n8n for a no-code enrichment workflow. For a full account list, flat files delivered to a warehouse such as Snowflake or BigQuery avoid one API call per row.<\/p><h3><span class=\"ez-toc-section\" id=\"Which_data_providers_offer_a_similar_or_lookalike_companies_feature\"><\/span>Which data providers offer a similar or lookalike companies feature?<span class=\"ez-toc-section-end\"><\/span><\/h3><p>Look for a provider that explains why two companies are similar, not merely that they match on a few firmographic filters. PredictLeads&#8217; Similar Companies dataset covers 18.9M+ companies, returns up to 50 lookalikes per company, and includes a written reason for the top 20 matches, drawing on technology detections, job openings, news events, and other signals rather than firmographics alone. That reason is what makes a match usable for personalized outreach or for building a comparable set in investment research, instead of a bare list of company names. Query the Similar Companies dataset for a known account to get scored, ranked matches with position and reason fields included.<\/p><h2><span class=\"ez-toc-section\" id=\"Ready_to_see_this_in_your_own_data\"><\/span>Ready to see this in your own data?<span class=\"ez-toc-section-end\"><\/span><\/h2><p>Get 100 free API requests per month with no credit card and no sales call.<\/p><p><a target=\"_blank\" rel=\"dofollow\" class=\"text-blue-500 underline cursor-pointer\" href=\"https:\/\/predictleads.com\/sign_up\"><strong>Create your free PredictLeads account<\/strong><\/a><\/p><h2><span class=\"ez-toc-section\" id=\"Final_Thoughts_on_BuiltWith_Alternatives\"><\/span>Final Thoughts on BuiltWith Alternatives<span class=\"ez-toc-section-end\"><\/span><\/h2><p>The right BuiltWith alternative depends on the question you are asking. BuiltWith remains solid for pure website technology lookups, Wappalyzer suits budget-conscious teams that need a quick check, HG Insights&#8217; Intricately data covers cloud-specific intelligence, and Coresignal fits teams that need broad workforce datasets. For B2B sales, marketing, and GTM teams that need technology data paired with hiring, funding, and growth signals, PredictLeads gives the most complete picture, with 2B+ detections across 99M+ companies. Test it on your own target accounts: you get 100 free API requests per month after you <a target=\"_blank\" rel=\"dofollow\" class=\"text-blue-500 underline cursor-pointer\" href=\"https:\/\/predictleads.com\/sign_up\">create an account<\/a>.<\/p>","protected":false},"excerpt":{"rendered":"<p>October 2026 guide to BuiltWith alternatives, comparing technographic data providers for B2B targeting, scoring, and 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