head to head · open source
caveman vs Pullfrog
caveman has 116,900 GitHub stars, 6,789 forks, 155 open issues and last shipped yesterday. Pullfrog has 1,415 stars, 90 forks, 11 open issues and last shipped 2 days ago. caveman leads on adoption by 8,161% (116,900 vs 1,415 stars). caveman is written in Go under Apache-2.0; Pullfrog is written in TypeScript under MIT. caveman has attracted 6% as many forks as stars, Pullfrog 6%. caveman was the more recently maintained of the two, and both are self-hostable with no licence fee.
Two open source projects, one decision. Both are free and self-hostable — the differences are community size, license terms, language stack and release pace.
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Side by side
| caveman | Pullfrog | |
|---|---|---|
| GitHub stars | ★ 117K | ★ 1.4K |
| License | Apache-2.0 | MIT |
| Written in | Go | TypeScript |
| Last push | 2026-11-02 | 2026-11-01 |
| Forks | ⑂ 6.8K | ⑂ 90 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick caveman if
- You weight community size — 117K stars and counting
- You want the Apache-2.0 license terms
- Your stack matches Go
- You value the larger contributor base for long-term maintenance
pick Pullfrog if
- You want the Pullfrog feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches TypeScript
- You evaluated both and Pullfrog fits your workflow better
About caveman
why use many token when few do trick Your AI coding agent bills by the word and writes like it knows that. Caveman make it stop. ▶️ ThePrimeagen reacts: "No way this actually works" 🏆 1 on GitHub Trending · July 2026 · 🥇 1 Repository of the Day on Trendshift · April 2026 1 on Hacker News · 904 points · 366 comments · 8 Product of the Day on Product Hunt 📄 Cited in CAVEWOMAN , an Adobe Research paper that measured caveman style output cutting cost 1.4 to 2.4×, up to 3× · 🧪 Tested by JetBrains on 86 real coding tasks: "costs you nothing measurable in quality" ⚡ One command, no account, no API key. npx skills…
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About Pullfrog
Pullfrog The BYOK CodeRabbit that runs in your GitHub Actions pullfrog.com · Docs · Console · Discord New — Pullfrog is now free for personal and open source usage. What is Pullfrog? Pullfrog is the BYOK CodeRabbit that runs in your GitHub Actions. It listens for GitHub events — PRs opened, issues created, reviews submitted, CI failures — and triggers agent runs based on your configuration, via a pullfrog.yml workflow that uses this open source action. You control the infrastructure, the keys, and the costs. Pullfrog is not an agent itself. It wraps vanilla Claude Code , Codex , and OpenCode , selecting the one…
read the full Pullfrog overview →
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Frequently asked questions
Is caveman or Pullfrog more popular?
caveman has 116,900 GitHub stars and Pullfrog has 1,415. caveman has the larger community by that measure.
Are caveman and Pullfrog free?
Both are open source. caveman is licensed under Apache-2.0 and Pullfrog under MIT. Neither carries a licence fee.
What is the difference between caveman and Pullfrog?
caveman is written in Go and Pullfrog in TypeScript. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, caveman or Pullfrog?
Choose caveman if you want the larger community (116,900 stars) or its Apache-2.0 licence terms. Choose Pullfrog if its feature set, stack or MIT licence fits better. Both are self-hostable.