head to head · open source
uBlock vs eventemitter3
uBlock has 67,937 GitHub stars, 4,354 forks, 15 open issues and last shipped 2 days ago. eventemitter3 has 3,538 stars, 236 forks, 22 open issues and last shipped 8 months ago. uBlock leads on adoption by 1,820% (67,937 vs 3,538 stars). uBlock is written in JavaScript under GPL-3.0; eventemitter3 is written in JavaScript under MIT. uBlock has attracted 6% as many forks as stars, eventemitter3 7%. uBlock 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
| uBlock | eventemitter3 | |
|---|---|---|
| GitHub stars | ★ 68K | ★ 3.5K |
| License | GPL-3.0 | MIT |
| Written in | JavaScript | JavaScript |
| Last push | 2026-09-17 | 2026-01-19 |
| Forks | ⑂ 4.4K | ⑂ 236 |
| 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 eventemitter3 if
- You want the eventemitter3 feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches JavaScript
- You evaluated both and eventemitter3 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 eventemitter3
EventEmitter3 is a high performance, MIT licensed event emitter library for JavaScript that is API compatible with the Node.js built in EventEmitter and intended for Node.js and browser developers who need faster event handling without rewriting existing event code.
read the full eventemitter3 overview →
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Frequently asked questions
Is uBlock or eventemitter3 more popular?
uBlock has 67,937 GitHub stars and eventemitter3 has 3,538. uBlock has the larger community by that measure.
Are uBlock and eventemitter3 free?
Both are open source. uBlock is licensed under GPL-3.0 and eventemitter3 under MIT. Neither carries a licence fee.
What is the difference between uBlock and eventemitter3?
uBlock is written in JavaScript and eventemitter3 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 eventemitter3?
Choose uBlock if you want the larger community (67,937 stars) or its GPL-3.0 licence terms. Choose eventemitter3 if its feature set, stack or MIT licence fits better. Both are self-hostable.