builtwith-alternative

Free, open source website technology detection. Identify any site's full tech stack from its URL — CLI, library and MCP server for Claude, Claude Code, Codex and ChatGPT. No API key, no credits, no subscription.

Detect every technology behind any website — frameworks, CMS, analytics, CDNs, and more. CLI tool powered by the Technology Detection API.

Free API to detect technologies, frameworks, and tools used by any website. 203 technology signatures across 21 categories.

Guides & API examples: bulk tech stack lookup (Wappalyzer alternative), Greenhouse/Workday/remote jobs, Shopify/WooCommerce export, App Store reviews, TED EU tenders, EU grants

BuiltWith & Wappalyzer alternative: bulk website tech stack lookup API (CMS, ecommerce, payments, analytics, CRM) for Python, Node.js & cURL — technographics & lead lists, pay per site

Remote MCP server for querying website technology stacks. Configure Claude Desktop / Cursor to query 887k+ sites.

Detect the tech stack of any website: CMS, analytics, ecommerce, frameworks, hosting, email provider. 7,600+ fingerprints, fast or headless-Chrome deep scan. Runs on Apify.

Sub-millisecond technographic scanner and website tech stack detector for cold outreach, Clay.com, and AI sales agents

100% free & open-source web technology lookup and lead intelligence platform. Scan single URLs or bulk domains to detect tech stacks, export lead data, and access a free public REST API. Built with Next.js 16, TypeScript, and Tailwind CSS.

Detect any website's tech stack from Python: CMS, ecommerce platform, frameworks, CDN, email provider and SPF senders for a list of domains. Wappalyzer / BuiltWith alternative via Apify.

Runnable Python examples: find Shopify+Klaviyo stores (Wappalyzer/BuiltWith alternative), Polymarket odds to CSV, Airbnb city data, remote jobs feed

Website analyzer API: detect tech stack (WordPress/Wix/Shopify), SEO issues, AI-crawler visibility (GPTBot/ClaudeBot), real transfer size and keyword targeting. Free tier, no signup. Polish-first. | Prześwietlarka stron — API

Apify actor: detect 124 technologies on a list of domains, filter by stack (e.g. Shopify without Klaviyo), and add published contact details.

Command-line client for searchcode.ai — search the source code of the public web from your terminal.

Open-source alternative to BuiltWith and Wappalyzer lookups: technologies by category from several providers side by side, plus find companies using a technology. Next.js and looot.