head to head · open source
ponytail vs REA-Prompts
ponytail has 176,312 GitHub stars, 9,632 forks, 270 open issues and last shipped 9 days ago. REA-Prompts has 2,507 stars, 453 forks, 0 open issues and last shipped yesterday. ponytail leads on adoption by 6,933% (176,312 vs 2,507 stars). ponytail is written in JavaScript under MIT; REA-Prompts is written in Batchfile under MIT. ponytail has attracted 5% as many forks as stars, REA-Prompts 18%. REA-Prompts was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 1 topic tag (prompt-engineering), 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 | REA-Prompts | |
|---|---|---|
| GitHub stars | ★ 176K | ★ 2.5K |
| License | MIT | MIT |
| Written in | JavaScript | Batchfile |
| Last push | 2026-10-18 | 2026-10-26 |
| Forks | ⑂ 9.6K | ⑂ 453 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick ponytail if
- You weight community size — 176K stars and counting
- You want the MIT license terms
- Your stack matches JavaScript
- You value the larger contributor base for long-term maintenance
pick REA-Prompts if
- You want the REA-Prompts feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches Batchfile
- You evaluated both and REA-Prompts 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 REA-Prompts
REA Investigation Prompts (REAP) — Reverse Engineering with your Coding Agent A curated collection of prompts for REA (Reverse Engineer Anything) — the toolset that lets your AI coding agent inspect how software works, from native binaries, firmware and kernels to games, Electron apps, APKs and websites. Prompts are ready to paste into your agent. Replace everything in and keep each request focused on one feature — narrow questions get evidence backed answers. Star History Install as agent skills (recommended) setup.sh (macOS/Linux) or setup.bat (Windows) copies every prompt section into your coding agent's…
read the full REA-Prompts overview →
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Frequently asked questions
Is ponytail or REA-Prompts more popular?
ponytail has 176,312 GitHub stars and REA-Prompts has 2,507. ponytail has the larger community by that measure.
Are ponytail and REA-Prompts free?
Both are open source. ponytail is licensed under MIT and REA-Prompts under MIT. Neither carries a licence fee.
What is the difference between ponytail and REA-Prompts?
ponytail is written in JavaScript and REA-Prompts in Batchfile. 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 REA-Prompts?
Choose ponytail if you want the larger community (176,312 stars) or its MIT licence terms. Choose REA-Prompts if its feature set, stack or MIT licence fits better. Both are self-hostable.