Dev Tools
sandboxd
Self-hosted AI app builder — an agent builds apps in isolated sandboxes.
★ 961 starsMIT
View guide →Terminal-first AI assistant designed for software engineering tasks (inspired.
formax is an open-source dev tools project by yusifeng (yusifeng/formax on GitHub). It has 195 GitHub stars and 8 forks, is released under the MIT license, and was last updated on GitHub on 24 July 2026.
Pull the latest changes to stay current with fixes.
Decide what you want formax to do first — terminal-first AI assistant designed for software engineering tasks (i.
The README documents setup; start with the install section.
Change the config to match your workflow, then run it daily.
Working agent support built in.
Working ai agent support built in.
Working assistant support built in.
Designed to work with Claude Code.
Typed code that is easier to maintain.
Use it freely, even commercially.
Download the source and move into the project folder.
git clone https://github.com/yusifeng/formax.git
cd formaxInstall the Node dependencies.
npm installStart the app or dev server.
npm startYes. It is MIT licensed, so you can use it freely, including commercially, with attribution.
No. It is a self-run project — clone it and run it on your own machine. Some features may optionally call external APIs; check the README.
Yes, that is the point. The code is public, so you can run, modify, and host it yourself.
It is released under MIT. Read the LICENSE file in the repo for the exact terms.
Start with the README, then the issue tracker on the GitHub repo at yusifeng/formax, where maintainers and users answer questions.
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Free and open — grab the source, star the repo, and start creating.