Munder Difflin
Free, open-source harness that runs Claude Code, Codex, Gemini CLI and other terminal agents together like an office.
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About Munder Difflin
Munder Difflin is listed in our coding category and is aimed at builders. Free, open-source harness that runs Claude Code, Codex, Gemini CLI and other terminal agents together like an office. Pricing, as the maker states it: Open source. Maturity: Mature. We last checked the official link on 2026-10-16.
What is Munder Difflin?
Munder Difflin is a free, open-source multi-agent harness that runs terminal coding agents together like an office, using the subscriptions you already pay for.
It wraps Claude Code, OpenAI Codex, Gemini CLI, Grok, Kimi Code, Qwen, OpenCode, Crush, GitHub Copilot CLI, Cursor and more, with bring-your-own keys and local LLMs. Agents message, route and remember, coordinated by a lead agent and shown as avatars on a shared office floor. Downloads are available for macOS, Windows and Linux.
Sources: the official README and our directory listing, checked 2026-10-18. Official site: munderdiffl.in.
Who is Munder Difflin for?
Developers who want to coordinate many terminal coding agents on their own machine with a visual overview.
Munder Difflin at a glance
- Open source: Yes (MIT License)
- GitHub: HarnessMD/munder-difflin · 8,950 stars (as of Oct 21, 2026)
Key features
- Wraps many terminal coding agents
- Uses existing subscriptions, your own keys or local LLMs
- Agent messaging, routing and memory
- Desktop app for macOS, Windows and Linux
Munder Difflin FAQ
What is Munder Difflin?
Munder Difflin is a free, open-source multi-agent harness that runs terminal coding agents together like an office, using the subscriptions you already pay for.
Who is Munder Difflin for?
Developers who want to coordinate many terminal coding agents on their own machine with a visual overview.
Is Munder Difflin free?
Munder Difflin's pricing, as the maker states it: Open source. Open-source tools are free to use, though you may still pay for model API usage or a hosted plan. Check the official site for current plans.
Is Munder Difflin open source?
Yes. Munder Difflin is released under the MIT License, according to its GitHub repository.
What are alternatives to Munder Difflin?
Similar tools include Claude Code, OpenAI Codex CLI, Gemini CLI, Toad, coucou and Orke.
Munder Difflin ratings and reviews
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Munder Difflin alternatives
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Claude Code
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OpenAI Codex CLI
OpenAI's open-source coding agent for the terminal; also runs in the cloud.
Gemini CLI
Google's open-source terminal agent powered by Gemini.
Toad
A terminal front end from Will McGugan (creator of Rich and Textual) for running AI coding agents like Claude Code, Gemini CLI and Codex through one polished, fast interface.
coucou
Mac notch and phone companion that monitors your Claude Code, Codex, Cursor and Gemini CLI sessions and lets you approve permissions on the go.
Orke
BOMTOBE's free desktop workspace for Claude Code, Codex and other coding agents: terminal sessions, an in-app browser the agent can use, a Git review window and scheduled AI employees.
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