Chatto

Hannes M. (hmans) open-sourced Chatto, a self-hostable team and group chat app, and revealed that he has not written a single line of code since February 2026, relying instead on AI coding agents. He …

Chatto, a lightweight self-hosted chat platform, launched as open-source version 0.4, sparking debate over its heavy use of AI-assisted development or "vibe coding." The app packages frontend and back…