Code

Build tools and runtimes

8 technologies: what each one does, whether it is SaaS or open source, its price range and its website.
  • Node.js

    620K sitesOpen source

    Node.js is an open-source, cross-platform, JavaScript runtime environment that executes JavaScript code outside a web browser.

    Used byFigma,Ghost,Linear,Notion+4

  • Turbopack

    148.1K sitesOpen source

    Turbopack is an incremental bundler for JavaScript and TypeScript, written in Rust and integrated into the Next.js framework for optimized build performance.

    Used byVercel

  • Vite

    108.2K sitesOpen source

    Vite is a rapid development tool for modern web projects.

    Used byDocumenso,Ghost

  • Deno

    14 sitesOpen source

    A modern runtime for JavaScript and TypeScript.

    Used bySupabase

  • Bazel

    Open source

    Google's build system for large, multi-language codebases.

    Used byAirbnb,Figma

  • bun

    Open source

    Bun is a fast JavaScript runtime compatible with Node.js and Deno.

  • esbuild

    Open source

    Extremely fast JavaScript and TypeScript bundler.

    Used byRaycast

  • Turborepo

    Open source

    Build system for JavaScript monorepos with caching of tasks.

    Used byCal.com,Resend,Supabase,Vercel

Data from the open Wappalyzer database (enthec/webappanalyzer, GPL-3.0), updated every week. Site counts from the HTTP Archive (September 2026). Code tools (frameworks, build, ORMs…) come from a list kept by Faundr.