head to head · open source
reaction vs UnoPim
reaction has 12,400 GitHub stars, 2,169 forks, 96 open issues and last shipped 8 months ago. UnoPim has 11,049 stars, 190 forks, 54 open issues and last shipped yesterday. reaction leads on adoption by 12% (12,400 vs 11,049 stars). reaction is written in JavaScript under GPL-3.0; UnoPim is written in PHP under MIT. reaction has attracted 17% as many forks as stars, UnoPim 2%. UnoPim 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
| reaction | UnoPim | |
|---|---|---|
| GitHub stars | ★ 12K | ★ 11K |
| License | GPL-3.0 | MIT |
| Written in | JavaScript | PHP |
| Last push | 2026-03-01 | 2026-11-02 |
| Forks | ⑂ 2.2K | ⑂ 190 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick reaction if
- You weight community size — 12K stars and counting
- You want the GPL-3.0 license terms
- Your stack matches JavaScript
- You value the larger contributor base for long-term maintenance
pick UnoPim if
- You want the UnoPim feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches PHP
- You evaluated both and UnoPim fits your workflow better
About reaction
Mailchimp Open Commerce (formerly Reaction Commerce) Open Commerce Website Twitter Documentation Discord Discussions Mailchimp Open Commerce is an API first, headless commerce platform built using Node.js, MongoDB, and GraphQL. It plays nicely with npm, Docker and Kubernetes. Features Fast Returns data in split seconds, and faster queries mean faster web pages Proven Open Commerce fuels sites doing 10's of thousands of orders per day with 100's of thousands of products Composable A flexible plugin system allows you to pick and choose which integrations work best for you Multi tenant Host multiple shops in the…
read the full reaction overview →
About UnoPim
🌐 Website · 📘 Documentation · 🚀 Installation · 🐳 Docker Installation · 🎯 Live Demo 🇦🇪 🇪🇸 🇩🇰 🇩🇪 🇦🇺 🇬🇧 🇳🇿 🇺🇸 🇪🇸 🇻🇪 🇫🇮 🇫🇷 🇮🇳 🇭🇷 🇮🇩 🇮🇹 🇯🇵 🇰🇷 🇲🇳 🇳🇱 🇳🇴 🇵🇱 🇧🇷 🇵🇹 🇷🇴 🇷🇺 🇸🇪 🇵🇭 🇹🇷 🇺🇦 🇻🇳 🇨🇳 🇹🇼 UnoPim is an open source Product Information Management (PIM) and Digital Asset Management (DAM) platform built on Laravel 13. It helps businesses organize, manage, and enrich their product data and digital assets in one central repository — now with built in AI agent capabilities for conversational product management. 🎥 Watch & Learn Introducing Open Source PIM…
read the full UnoPim overview →
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Frequently asked questions
Is reaction or UnoPim more popular?
reaction has 12,400 GitHub stars and UnoPim has 11,049. reaction has the larger community by that measure.
Are reaction and UnoPim free?
Both are open source. reaction is licensed under GPL-3.0 and UnoPim under MIT. Neither carries a licence fee.
What is the difference between reaction and UnoPim?
reaction is written in JavaScript and UnoPim in PHP. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, reaction or UnoPim?
Choose reaction if you want the larger community (12,400 stars) or its GPL-3.0 licence terms. Choose UnoPim if its feature set, stack or MIT licence fits better. Both are self-hostable.