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Open source alternatives to Polygraph[007]

Polygraph is a commercial AI coding tool that helps developers write, check and ship code changes with model-driven assistance. Below are 7 self-hostable open source alternatives, ranked by GitHub popularity.

// EDITOR'S TAKE

opencode and Cline are the practical replacements: opencode if you live in the terminal and want to bring your own model, Cline if you want agentic edits inside VS Code with a diff to approve at every step. OpenHands aims higher with long autonomous runs but needs containers and supervision, while Tabby only serves completions and will not carry out multi-file edits.

// FREQUENTLY ASKED

What is the best open source Polygraph alternative?

opencode is the most popular open source Polygraph alternative by GitHub stars (190,000 stars). The other 6 options are ranked above.

Are these Polygraph alternatives self-hostable?

Yes — every project listed here is open source and runs on your own infrastructure. Click into a project to see its license, stars, language, and current health status.

Are they free?

All projects shown are free and open source. Check each project's license page for the terms — most are MIT, Apache 2.0, or AGPL.