best-of ranking · updated nightly

Best Open Source Business Software 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
   Plane ★ 60K

   Project management for teams and AI agents

   AGPL-3.0 TypeScript pushed 2026-09-17 details →
2. 2
   Twenty ★ 57K

   Build a custom CRM without the proprietary lock-in

   NOASSERTION TypeScript pushed 2026-09-17 details →
3. 3
   Odoo ★ 54K

   All-in-one business platform covering ERP, CRM, and more

   NOASSERTION Python pushed 2026-09-17 details →
4. 4
   Cal.com ★ 49K

   Self-host your own scheduling page, no vendor required

   MIT TypeScript pushed 2026-09-14 details →
5. 5
   Rocket.Chat ★ 46K

   Self-hosted team messaging with voice, video, and AI

   NOASSERTION TypeScript pushed 2026-09-17 details →
6. 6
   cobalt ★ 43K

   best way to save what you love

   AGPL-3.0 Svelte pushed 2026-04-06 details →
7. 7
   duckdb ★ 41K

   DuckDB is an analytical in-process SQL database management system

   MIT C++ pushed 2026-09-17 details →
8. 8
   ERPNext ★ 39K

   Comprehensive business management, tailored for you

   GPL-3.0 Python pushed 2026-09-17 details →
9. 9
   Chatwoot ★ 37K

   Omnichannel customer support with a built-in AI assistant

   NOASSERTION Ruby pushed 2026-09-17 details →
10. 10
    Medusa ★ 36K

    Open-source e-commerce for modern developers

    NOASSERTION TypeScript pushed 2026-09-17 details →

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

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