[opensourcedex]

best-of ranking · updated nightly

Best Open Source Frameworks & Platforms Tools

Ranked by GitHub stars — actual adoption, not editorial taste. All 10 are free, open source and self-hostable; license and last activity on every entry.

  1. 1
    Langflow ★ 155K

    Visual builder for AI agents and RAG pipelines

    MIT Python pushed 2026-09-17 details →
  2. 2
    Supabase ★ 110K

    Postgres-powered backend platform for production apps

    Apache-2.0 TypeScript pushed 2026-09-17 details →
  3. 3
    PocketBase ★ 61K

    Open-source backend in a single file

    MIT Go pushed 2026-09-16 details →
  4. 4
    ToolJet ★ 41K

    Build internal tools rapidly without coding

    AGPL-3.0 JavaScript pushed 2026-09-17 details →
  5. 5
    AppSmith ★ 41K

    Empower your team to build custom internal tools rapidly

    Apache-2.0 TypeScript pushed 2026-09-17 details →
  6. 6
    TipTap ★ 38K

    Craft rich text experiences with ease

    MIT TypeScript pushed 2026-09-17 details →
  7. 7
    Directus ★ 38K

    Open-source data platform for effortless content management

    NOASSERTION TypeScript pushed 2026-09-17 details →
  8. 8
    Budibase ★ 28K

    Build powerful web apps without complex coding

    NOASSERTION TypeScript pushed 2026-09-17 details →
  9. 9
    Onlook ★ 27K

    Visual React editor with real-time code updates

    Apache-2.0 TypeScript pushed 2026-08-25 details →
  10. 10
    Teable ★ 22K

    Flexible database meets intuitive spreadsheet interface

    NOASSERTION TypeScript pushed 2026-09-17 details →
method stars desc · snapshot from github api refresh nightly related AI Assisted Coding, Build & Deployment, Website Builders, Terminals, IDEs & Code Editors, API Development & Testing

Related best-of lists

best AI Assisted Coding →best Build & Deployment →best Website Builders →best Terminals →best IDEs & Code Editors →best API Development & Testing →

last updated nightly · ranking method: github stars, live-tracked

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Frequently asked questions

What is the best open source Frameworks & Platforms tool in 2026?

Langflow leads the ranking with 154,943 GitHub stars, ahead of Supabase. Rankings use live GitHub star counts, refreshed nightly.

How is this list of Frameworks & Platforms tools ranked?

By GitHub stars — a proxy for adoption and community size. Each entry also shows its licence, primary language and last commit date, so you can judge maintenance activity rather than trusting the ranking alone.

Are the best Frameworks & Platforms tools free?

Every project on this list is open source and free to self-host. Some also offer paid managed hosting, but the software itself carries no licence fee.