The best Happy alternatives
8 tools that do a similar job to Happy, 8 of them open source. Each entry says what it does and who it suits, so you can pick the one that fits instead of the most famous.
You're replacing
HappyA multi-model coding agent app that runs Claude, Codex and Grok, with a phone companion, using your existing s
- 1
OpenHands
Open source · MIT · ★ 92.5k
A self-hosted control panel that runs AI coding agents on your machine, in Docker, or in the cloud.
Best for: Developers who want coding agents running on a server while their laptop is off; Teams that want a shared agent server for tasks like code review or dependency updates
- 2
Paperclip
Open source · MIT · ★ 110k
Open-source Node.js and React app for organizing teams of AI agents around goals, tasks, and budgets.
Best for: Developers already running several AI coding agents who want one place to track them; Small teams experimenting with autonomous agents that need budgets and approval steps
- 3
Claudian
Open source · MIT · ★ 15.9k
An Obsidian plugin that puts an AI coding agent inside your notes vault as a chat sidebar.
Best for: Obsidian users who already use Claude Code or Codex and want that agent inside their notes; People who want an AI to edit or reorganize many notes in a folder at once
- 4
Orca
Open source · MIT · ★ 113k
A desktop app for running several coding agents side by side, each in its own git worktree.
Best for: Developers who already use CLI coding agents and want to run several at once; People who want to compare outputs from different agents on the same prompt
- 5
OmniRoute
Open source · MIT · ★ 83.8k
A free, MIT-licensed gateway that routes one API endpoint to many AI model providers.
Best for: Developers who use several AI coding tools and want one place to configure providers; People who want to connect their own free-tier provider accounts and spread requests across them
- 6
CRS
Open source · MIT · ★ 12.8k
Self-hosted relay that lets a small group share Claude, OpenAI, Gemini and Droid subscriptions through one ser
Best for: Developers comfortable running a Node.js server and Redis themselves; Small groups who want to split one shared Claude subscription with known members
- 7
CC Switch
Open source · MIT · ★ 151k
Desktop app to switch API providers and manage MCP, Skills, and prompts for AI coding agents.
Best for: Developers who use several AI coding agents and switch between API providers often; People who find editing agent config files by hand error-prone
- 8
CLIProxyAPI
Open source · MIT · ★ 57.3k
A local proxy server that exposes CLI and web AI accounts as OpenAI, Gemini, or Claude compatible APIs.
Best for: Developers who already use OpenAI- or Claude-compatible tools and want to route them to other providers; People who hold several CLI accounts and want one local endpoint for them
How we pick: tools in the same category that solve the same problem, projects that name each other as alternatives, and open-source projects that describe themselves as an alternative to Happy. We don't take payment for placement.