head to head · open source
ponytail vs cli
ponytail has 182,779 GitHub stars, 10,094 forks, 270 open issues and last shipped 5 days ago. cli has 32,064 stars, 1,978 forks, 131 open issues and last shipped 4 days ago. ponytail leads on adoption by 470% (182,779 vs 32,064 stars). ponytail is written in JavaScript under MIT; cli is written in Rust under Apache-2.0. ponytail has attracted 6% as many forks as stars, cli 6%. cli was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 1 topic tag (agent-skills), 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 | cli | |
|---|---|---|
| GitHub stars | ★ 183K | ★ 32K |
| License | MIT | Apache-2.0 |
| Written in | JavaScript | Rust |
| Last push | 2026-10-29 | 2026-10-30 |
| Forks | ⑂ 10K | ⑂ 2.0K |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick ponytail if
- You weight community size — 183K stars and counting
- You want the MIT license terms
- Your stack matches JavaScript
- You value the larger contributor base for long-term maintenance
pick cli if
- You want the cli feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches Rust
- You evaluated both and cli fits your workflow better
About ponytail
Ponytail He says nothing. He writes one line. It works. 54% less code (up to 94%) · 20% cheaper · 27% faster · 100% safe Measured on real Claude Code sessions editing a real open source repo (FastAPI + React), against the same agent with no skill. 54% is the mean across 12 feature tasks (Haiku 4.5, n=4); it reaches 94% where an agent over builds (a date picker) and is near zero where the code is already minimal. ponytail keeps every safety guard while a bare "write one liners" prompt drops one. (The earlier single shot benchmark reported 80 94% as a flat figure; against a fair agentic…
read the full ponytail overview →
About cli
gws One CLI for all of Google Workspace — built for humans and AI agents. Drive, Gmail, Calendar, and every Workspace API. Zero boilerplate. Structured JSON output. 40+ agent skills included. [!NOTE] This is not an officially supported Google product. ⬇️ Download the latest release for your OS gws doesn't ship a static list of commands. It reads Google's own Discovery Service at runtime and builds its entire command surface dynamically. When Google Workspace adds an API endpoint or method, gws picks it up automatically. [!IMPORTANT] This project is under active development. Expect breaking changes as we march…
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Frequently asked questions
Is ponytail or cli more popular?
ponytail has 182,779 GitHub stars and cli has 32,064. ponytail has the larger community by that measure.
Are ponytail and cli free?
Both are open source. ponytail is licensed under MIT and cli under Apache-2.0. Neither carries a licence fee.
What is the difference between ponytail and cli?
ponytail is written in JavaScript and cli in Rust. 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 cli?
Choose ponytail if you want the larger community (182,779 stars) or its MIT licence terms. Choose cli if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.