head to head · open source
excelize vs ua-parser-js
excelize has 21,036 GitHub stars, 1,984 forks, 131 open issues and last shipped yesterday. ua-parser-js has 10,213 stars, 1,211 forks, 14 open issues and last shipped 1 months ago. excelize leads on adoption by 106% (21,036 vs 10,213 stars). excelize is written in Go under BSD-3-Clause; ua-parser-js is written in JavaScript under AGPL-3.0. excelize has attracted 9% as many forks as stars, ua-parser-js 12%. excelize was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 1 topic tag (analytics), 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
| excelize | ua-parser-js | |
|---|---|---|
| GitHub stars | ★ 21K | ★ 10K |
| License | BSD-3-Clause | AGPL-3.0 |
| Written in | Go | JavaScript |
| Last push | 2026-11-02 | 2026-09-29 |
| Forks | ⑂ 2.0K | ⑂ 1.2K |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick excelize if
- You weight community size — 21K stars and counting
- You want the BSD-3-Clause license terms
- Your stack matches Go
- 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 excelize
Excelize Introduction Excelize is a library written in pure Go providing a set of functions that allow you to write to and read from XLAM / XLSM / XLSX / XLTM / XLTX files. Supports reading and writing spreadsheet documents generated by Microsoft Excel™ 2007 and later. Supports complex components by high compatibility, and provided streaming API for generating or reading data from a worksheet with huge amounts of data. This library needs Go version 1.25.0 or later. The full docs can be seen using go's built in documentation tool, or online at go.dev and docs reference. Basic Usage Installation If your…
read the full excelize overview →
About ua-parser-js
UAParser.js Powerful User Agent detection in a compact, ES5 friendly, dependency free JavaScript library. ✅ Comprehensive detection : Identify various kind of browsers, OS, devices, bots, apps, AI crawlers, and more ✅ Battle tested at scale : Backed by an actively maintained, extensive detection database, trusted by leading tech companies ✅ Runs everywhere : Use seamlessly in browsers, Node.js, and modern JavaScript runtimes Demo Live demo: Documentation version 1.x : version 2.x : Before upgrading from v0.7 / v1.0 , please read CHANGELOG to see what's new & breaking. Package Options Open Source Editions PRO /…
read the full ua-parser-js overview →
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Frequently asked questions
Is excelize or ua-parser-js more popular?
excelize has 21,036 GitHub stars and ua-parser-js has 10,213. excelize has the larger community by that measure.
Are excelize and ua-parser-js free?
Both are open source. excelize is licensed under BSD-3-Clause and ua-parser-js under AGPL-3.0. Neither carries a licence fee.
What is the difference between excelize and ua-parser-js?
excelize is written in Go 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, excelize or ua-parser-js?
Choose excelize if you want the larger community (21,036 stars) or its BSD-3-Clause licence terms. Choose ua-parser-js if its feature set, stack or AGPL-3.0 licence fits better. Both are self-hostable.