head to head · open source
ponytail vs Agently
ponytail has 141,230 GitHub stars, 7,572 forks, 270 open issues and last shipped 4 days ago. Agently has 1,652 stars, 181 forks, 15 open issues and last shipped 6 days ago. ponytail leads on adoption by 8,449% (141,230 vs 1,652 stars). ponytail is written in JavaScript under MIT; Agently is written in Python under Apache-2.0. ponytail has attracted 5% as many forks as stars, Agently 11%. ponytail was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 1 topic tag (claude), 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 | Agently | |
|---|---|---|
| GitHub stars | ★ 141K | ★ 1.7K |
| License | MIT | Apache-2.0 |
| Written in | JavaScript | Python |
| Last push | 2026-09-14 | 2026-09-12 |
| Forks | ⑂ 7.6K | ⑂ 181 |
| 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 Agently if
- You want the Agently feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches Python
- You evaluated both and Agently 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 Agently
Agently is a Python GenAI application development framework and AI application runtime framework. It lives in the AI and machine learning ecosystem, specifically in AI development platforms for agents and large language model services. The project targets teams moving from one successful model call to a reliable application backend with stable contracts, observable execution, and restart safe workflow boundaries.
read the full Agently overview →
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Frequently asked questions
Is ponytail or Agently more popular?
ponytail has 141,230 GitHub stars and Agently has 1,652. ponytail has the larger community by that measure.
Are ponytail and Agently free?
Both are open source. ponytail is licensed under MIT and Agently under Apache-2.0. Neither carries a licence fee.
What is the difference between ponytail and Agently?
ponytail is written in JavaScript and Agently in Python. 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 Agently?
Choose ponytail if you want the larger community (141,230 stars) or its MIT licence terms. Choose Agently if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.