head to head · open source
ponytail vs open-science
ponytail has 142,629 GitHub stars, 7,653 forks, 270 open issues and last shipped 6 days ago. open-science has 4,696 stars, 287 forks, 40 open issues and last shipped today. ponytail leads on adoption by 2,937% (142,629 vs 4,696 stars). ponytail is written in JavaScript under MIT; open-science is written in TypeScript under Apache-2.0. ponytail has attracted 5% as many forks as stars, open-science 6%. open-science 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 | open-science | |
|---|---|---|
| GitHub stars | ★ 143K | ★ 4.7K |
| License | MIT | Apache-2.0 |
| Written in | JavaScript | TypeScript |
| Last push | 2026-09-14 | 2026-09-20 |
| Forks | ⑂ 7.7K | ⑂ 287 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick ponytail if
- You weight community size — 143K stars and counting
- You want the MIT license terms
- Your stack matches JavaScript
- You value the larger contributor base for long-term maintenance
pick open-science if
- You want the open-science feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches TypeScript
- You evaluated both and open-science 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 open-science
AIPOCH Open Science is an open source, local first, model agnostic AI research workbench that lets scientists and researchers run computational and data intensive research with scientific AI agents inside a single desktop workspace on macOS, Windows, and Linux.
read the full open-science overview →
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Frequently asked questions
Is ponytail or open-science more popular?
ponytail has 142,629 GitHub stars and open-science has 4,696. ponytail has the larger community by that measure.
Are ponytail and open-science free?
Both are open source. ponytail is licensed under MIT and open-science under Apache-2.0. Neither carries a licence fee.
What is the difference between ponytail and open-science?
ponytail is written in JavaScript and open-science 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, ponytail or open-science?
Choose ponytail if you want the larger community (142,629 stars) or its MIT licence terms. Choose open-science if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.