Use all your subscriptions
Claude Code, Codex, Grok, and Gemini, on the subscriptions you already pay for. Mix them in a single task.
Build it together
Work with your team in shared sessions. Divide and conquer, then share stories of what you built.
Open source, MIT
Happy is MIT licensed and runs on your own hardware. Read the code, fork it, and ship your own build.
End-to-end encrypted
Pair your phone with a QR code. Everything that travels between your devices is end-to-end encrypted.
F1 Fast Mobile
Ever heard about a mobile app getting a speeding ticket? We just got one!
