antithesishq/bombadil
antithesishq/bombadil has 1,609 GitHub stars and 70 forks. GitHot measured +4 stars in 24 hours and +30 in 7 days. Last checked 2026-11-11 17:59 UTC. Last push 2026-11-02.
Property-based testing for web and terminal UIs
Measured star growth
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- +4
- in 7 days
- +30
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Net star changes over overlapping periods, not daily totals. Missing measurements are left blank. Stars measure attention, not software quality.
README.md
OriginalBombadil
Property-based testing for web and terminal UIs, autonomously exploring and validating correctness properties, finding harder bugs earlier.
Runs in your local developer environment, in CI, and inside Antithesis.
Documentation
Learn all about Bombadil with the following resources:
Join us
Join us on our quest to reinvent how the world thinks about software reliability. We are hiring.
Or, if you want to hack on it, see Contributing. We prefer GitHub issues and Discord discussions over drive-by pull requests. Make sure you read the Gen AI Policy before using LLMs in your contributions.

Old Tom Bombadil is a merry fellow,
Bright blue his jacket is, and his boots are yellow.
Bugs have never fooled him yet, for Tom, he is the Master:
His specs are stronger specs, and his fuzzer is faster.
Built by Antithesis.
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