head to head · open source
ponytail vs genoffice
ponytail has 141,465 GitHub stars, 7,581 forks, 270 open issues and last shipped 4 days ago. genoffice has 7,067 stars, 932 forks, 32 open issues and last shipped yesterday. ponytail leads on adoption by 1,902% (141,465 vs 7,067 stars). ponytail is written in JavaScript under MIT; genoffice is written in TypeScript under Apache-2.0. ponytail has attracted 5% as many forks as stars, genoffice 13%. genoffice was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 1 topic tag (claude-code), 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 | genoffice | |
|---|---|---|
| GitHub stars | ★ 141K | ★ 7.1K |
| License | MIT | Apache-2.0 |
| Written in | JavaScript | TypeScript |
| Last push | 2026-09-14 | 2026-09-17 |
| Forks | ⑂ 7.6K | ⑂ 932 |
| 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 genoffice if
- You want the genoffice 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 genoffice 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 genoffice
GenOffice The world's first full featured open source AI Office suite. Word, Excel, PowerPoint and PDF files, edited by you and your AI, saved back in the real formats. English · Español · Português (Brasil) · Deutsch · Français · 简体中文 · 繁體中文 · 한국어 · 日本語 · العربية · Русский · Italiano · Nederlands · Polski · Čeština · Bahasa Indonesia · Bahasa Melayu · ไทย · हिन्दी · עברית Download · CLI · MCP · Website · Community · Privacy GenOffice is a free, open source alternative to Microsoft Office for macOS, Windows and Linux. It opens and saves native .docx , .xlsx and .pptx files, edits PDF, Markdown and HTML, and puts …
read the full genoffice overview →
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Frequently asked questions
Is ponytail or genoffice more popular?
ponytail has 141,465 GitHub stars and genoffice has 7,067. ponytail has the larger community by that measure.
Are ponytail and genoffice free?
Both are open source. ponytail is licensed under MIT and genoffice under Apache-2.0. Neither carries a licence fee.
What is the difference between ponytail and genoffice?
ponytail is written in JavaScript and genoffice 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 genoffice?
Choose ponytail if you want the larger community (141,465 stars) or its MIT licence terms. Choose genoffice if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.