Apply to OpenAI's Codex for Open Source program

Melvin Vivas · X post · 2026-09-16 · Open on X

Topics: AI Dev Tools & Productivity · Level: beginner

Summary

The creator submitted his open-source project Coworker to OpenAI's Codex for Open Source program and encourages other maintainers to apply. The program gives maintainers Codex access to review code, understand large codebases and improve security coverage.

Key points

• OpenAI launched Codex for Open Source to support open-source maintainers
• Maintainers can use Codex to review code, understand large codebases and strengthen security coverage
• Approved projects may get free Codex Pro
• Even small projects can apply; the creator's Coworker had only 29 stars

Resources mentioned

• Codex for Open Source · other · developers.openai.com · free
  OpenAI program that gives open-source maintainers Codex access for code review and security work.
• Coworker (donvito/coworker) · repo · github.com · free
  The creator's local-first desktop app where you pick an AI coworker and have it produce work such as invoices as finished PDFs.
  Also in: Claude Opus 5.5 for Video Making: Creator's Showcase Thread (Coworker) (Melvin Vivas on X · notes), Coworker: free open-source desktop AI coworker app (Melvin Vivas on X · notes), Coworker: Open-Source Desktop App for AI Agents (Melvin Vivas on X · notes), Using Devin AI to Test the Coworker Desktop App on Windows (Melvin Vivas on X · notes) and 38 more

Try this

• If you maintain an open-source project, apply to Codex for Open Source