head to head · open source
ponytail vs ANUS
ponytail has 149,011 GitHub stars, 8,012 forks, 270 open issues and last shipped 17 days ago. ANUS has 6,550 stars, 924 forks, 73 open issues and last shipped 2 days ago. ponytail leads on adoption by 2,175% (149,011 vs 6,550 stars). ponytail is written in JavaScript under MIT; ANUS is written in JavaScript under MIT. ponytail has attracted 5% as many forks as stars, ANUS 14%. ANUS was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 1 topic tag (llm), so they are genuine substitutes rather than adjacent tools.
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
| ponytail | ANUS | |
|---|---|---|
| GitHub stars | ★ 149K | ★ 6.5K |
| License | MIT | MIT |
| Written in | JavaScript | JavaScript |
| Last push | 2026-09-14 | 2026-09-29 |
| Forks | ⑂ 8.0K | ⑂ 924 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick ponytail if
- You weight community size — 149K stars and counting
- You want the MIT license terms
- Your stack matches JavaScript
- You value the larger contributor base for long-term maintenance
pick ANUS if
- You want the ANUS feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches JavaScript
- You evaluated both and ANUS fits your workflow better
About ponytail
Ponytail is an open source agent skill for JavaScript and LLM based coding tools that makes an AI agent write the minimum working code for a task, and it is built for developers and teams running agents such as Claude Code, Codex, or Cursor against real repositories.
read the full ponytail overview →
About ANUS
ANUS is a free, MIT licensed coding agent that runs in your terminal, reads your code, edits files and executes commands, and is aimed at developers who want that kind of agentic assistance without paying for model access.
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Frequently asked questions
Is ponytail or ANUS more popular?
ponytail has 149,011 GitHub stars and ANUS has 6,550. ponytail has the larger community by that measure.
Are ponytail and ANUS free?
Both are open source. ponytail is licensed under MIT and ANUS under MIT. Neither carries a licence fee.
What is the difference between ponytail and ANUS?
ponytail is written in JavaScript and ANUS in JavaScript. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, ponytail or ANUS?
Choose ponytail if you want the larger community (149,011 stars) or its MIT licence terms. Choose ANUS if its feature set, stack or MIT licence fits better. Both are self-hostable.