head to head · open source
reaction vs UnoPim
reaction has 12,399 GitHub stars, 2,176 forks, 96 open issues and last shipped 7 months ago. UnoPim has 10,968 stars, 175 forks, 54 open issues and last shipped yesterday. reaction leads on adoption by 13% (12,399 vs 10,968 stars). reaction is written in JavaScript under GPL-3.0; UnoPim is written in PHP under MIT. reaction has attracted 18% 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 | 2026-09-17 |
| Forks | ⑂ 2.2K | ⑂ 175 |
| 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, is an API first, headless commerce platform built on Node.js, MongoDB, and GraphQL for development teams that want to run a custom storefront, marketplace, or multi shop operation on their own infrastructure — and the project has been discontinued.
read the full reaction overview →
About UnoPim
UnoPim is an open source Product Information Management and Digital Asset Management platform built on Laravel 13. It lives in the PHP and Laravel ecosystem and is licensed under MIT. The project presents itself as a central repository for product data and digital assets, with built in AI agent capabilities for conversational product management.
read the full UnoPim overview →
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Frequently asked questions
Is reaction or UnoPim more popular?
reaction has 12,399 GitHub stars and UnoPim has 10,968. 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 (12,399 stars) or its GPL-3.0 licence terms. Choose UnoPim if its feature set, stack or MIT licence fits better. Both are self-hostable.