kapynOpen Source

duo , Claude Code and Codex together: a local desktop app for chat, pair programming, debates, councils, and code reviews.

Duo is a local desktop app combining Claude Code and Codex for pair programming. The Electron-based tool supports multi-model workflows, including interactive chats, debates, expert councils, and automated code reviews. It provides developers with a unified interface to leverage multiple coding assistants side by side on their local machine.

GitHub·Oct 2, 2026

Opening Kapyn…