Open sourceTypeScript · ≈14k stars · Apache-2.0
Freebuff (formerly Codebuff)
The free coding agent
Freebuff gives you specialized coding agents and a choice of models across a CLI, a desktop app for running parallel agents, a web app builder, a cloud product that runs agents on GitHub repos, and a chat app. It needs no subscription, credits or API key, and text ads pay for the included models. The repo was formerly CodebuffAI/codebuff.
The team behind it
The free coding agent, built on the open Codebuff multi-agent framework
Codebuff is a YC-backed terminal coding agent, installed with `npm install -g codebuff`. Its open repo now ships as Freebuff, built on Codebuff, which the README calls the open multi-agent framework behind its orchestration, tools and SDK (@codebuff/sdk). Specialized agents find files, implement, review, research docs and test in a browser, and can run in parallel in isolated workspaces.
Neighbours on the workbench
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The viral open-source personal AI assistant that really does things.
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obra/superpowers
An agentic skills framework and software methodology that works.
Maintained by Jesse Vincent (obra)
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mattpocock/skills
Small, composable agent skills for real engineering work.
Maintained by Matt Pocock (AI Hero)
Connections
Relations from the Harness Hub knowledge graph, as charted in the State of Harness reports.
Maintained by · 1
- Codebuff / FreebuffStartup
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- Random Labs (Slate)Startup
- SymphonyProject
Sources
Verified Oct 29, 2026