head to head · open source
ponytail vs skillhub
ponytail has 141,465 GitHub stars, 7,581 forks, 270 open issues and last shipped 4 days ago. skillhub has 5,142 stars, 841 forks, 34 open issues and last shipped today. ponytail leads on adoption by 2,651% (141,465 vs 5,142 stars). ponytail is written in JavaScript under MIT; skillhub is written in Java under Apache-2.0. ponytail has attracted 5% as many forks as stars, skillhub 16%. skillhub 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
| ponytail | skillhub | |
|---|---|---|
| GitHub stars | ★ 141K | ★ 5.1K |
| License | MIT | Apache-2.0 |
| Written in | JavaScript | Java |
| Last push | 2026-09-14 | 2026-09-18 |
| Forks | ⑂ 7.6K | ⑂ 841 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick ponytail if
- You weight community size — 141K stars and counting
- You want the MIT license terms
- Your stack matches JavaScript
- You value the larger contributor base for long-term maintenance
pick skillhub if
- You want the skillhub feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches Java
- You evaluated both and skillhub 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 skillhub
SkillHub is a self hosted, open source agent skill registry that gives enterprises a private, governed place to publish, discover, and manage reusable agent skill packages behind their own firewall.
read the full skillhub overview →
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Frequently asked questions
Is ponytail or skillhub more popular?
ponytail has 141,465 GitHub stars and skillhub has 5,142. ponytail has the larger community by that measure.
Are ponytail and skillhub free?
Both are open source. ponytail is licensed under MIT and skillhub under Apache-2.0. Neither carries a licence fee.
What is the difference between ponytail and skillhub?
ponytail is written in JavaScript and skillhub in Java. 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 skillhub?
Choose ponytail if you want the larger community (141,465 stars) or its MIT licence terms. Choose skillhub if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.