head to head · open source
Krayin vs ua-parser-js
Krayin has 23,890 GitHub stars, 1,630 forks, 121 open issues and last shipped 4 days ago. ua-parser-js has 10,189 stars, 1,217 forks, 14 open issues and last shipped 17 days ago. Krayin leads on adoption by 134% (23,890 vs 10,189 stars). Krayin is written in PHP under MIT; ua-parser-js is written in JavaScript under AGPL-3.0. Krayin has attracted 7% as many forks as stars, ua-parser-js 12%. Krayin 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
| Krayin | ua-parser-js | |
|---|---|---|
| GitHub stars | ★ 24K | ★ 10K |
| License | MIT | AGPL-3.0 |
| Written in | PHP | JavaScript |
| Last push | 2026-09-14 | 2026-09-01 |
| Forks | ⑂ 1.6K | ⑂ 1.2K |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick Krayin if
- You weight community size — 24K stars and counting
- You want the MIT license terms
- Your stack matches PHP
- You value the larger contributor base for long-term maintenance
pick ua-parser-js if
- You want the ua-parser-js feature set and don't need the biggest community
- You prefer the AGPL-3.0 license terms
- Your stack matches JavaScript
- You evaluated both and ua-parser-js fits your workflow better
About Krayin
Krayin is a free, MIT licensed, self hosted customer relationship management framework built on Laravel and Vue.js, intended for small and medium businesses and enterprises that want to run customer, lead, and sales management on their own infrastructure.
read the full Krayin overview →
About ua-parser-js
UAParser.js is a dependency free JavaScript library for user agent detection that identifies browsers, operating systems, devices, bots, apps, and AI crawlers, running both in the browser (client side) and in Node.js (server side), and it is aimed at web developers, analytics teams, and product engineers who need to classify the traffic reaching their applications.
read the full ua-parser-js overview →
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Frequently asked questions
Is Krayin or ua-parser-js more popular?
Krayin has 23,890 GitHub stars and ua-parser-js has 10,189. Krayin has the larger community by that measure.
Are Krayin and ua-parser-js free?
Both are open source. Krayin is licensed under MIT and ua-parser-js under AGPL-3.0. Neither carries a licence fee.
What is the difference between Krayin and ua-parser-js?
Krayin is written in PHP and ua-parser-js in JavaScript. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, Krayin or ua-parser-js?
Choose Krayin if you want the larger community (23,890 stars) or its MIT licence terms. Choose ua-parser-js if its feature set, stack or AGPL-3.0 licence fits better. Both are self-hostable.