head to head · open source
uBlock vs xmpp.js
uBlock has 68,486 GitHub stars, 4,383 forks, 15 open issues and last shipped yesterday. xmpp.js has 2,279 stars, 383 forks, 35 open issues and last shipped 1 months ago. uBlock leads on adoption by 2,905% (68,486 vs 2,279 stars). uBlock is written in JavaScript under GPL-3.0; xmpp.js is written in JavaScript under ISC. uBlock has attracted 6% as many forks as stars, xmpp.js 17%. uBlock was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 1 topic tag (javascript), 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
| uBlock | xmpp.js | |
|---|---|---|
| GitHub stars | ★ 68K | ★ 2.3K |
| License | GPL-3.0 | ISC |
| Written in | JavaScript | JavaScript |
| Last push | 2026-10-11 | 2026-09-03 |
| Forks | ⑂ 4.4K | ⑂ 383 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick uBlock if
- You weight community size — 68K 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 xmpp.js if
- You want the xmpp.js feature set and don't need the biggest community
- You prefer the ISC license terms
- Your stack matches JavaScript
- You evaluated both and xmpp.js fits your workflow better
About uBlock
uBlock Origin is a CPU and memory efficient, wide spectrum content blocker for Chromium and Firefox, aimed at anyone who wants ads, trackers, coin miners, popups, anti blockers and malware sites neutralised by default without hand tuning anything.
read the full uBlock overview →
About xmpp.js
xmpp.js is a modular JavaScript library that lets developers build XMPP chat, presence, and real time messaging clients or components for browsers, Node.js, React Native, and other JavaScript runtimes.
read the full xmpp.js overview →
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Frequently asked questions
Is uBlock or xmpp.js more popular?
uBlock has 68,486 GitHub stars and xmpp.js has 2,279. uBlock has the larger community by that measure.
Are uBlock and xmpp.js free?
Both are open source. uBlock is licensed under GPL-3.0 and xmpp.js under ISC. Neither carries a licence fee.
What is the difference between uBlock and xmpp.js?
uBlock is written in JavaScript and xmpp.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, uBlock or xmpp.js?
Choose uBlock if you want the larger community (68,486 stars) or its GPL-3.0 licence terms. Choose xmpp.js if its feature set, stack or ISC licence fits better. Both are self-hostable.