head to head · open source
uBlock vs peerjs
uBlock has 69,033 GitHub stars, 4,427 forks, 15 open issues and last shipped yesterday. peerjs has 13,501 stars, 1,460 forks, 201 open issues and last shipped 8 months ago. uBlock leads on adoption by 411% (69,033 vs 13,501 stars). uBlock is written in JavaScript under GPL-3.0; peerjs is written in TypeScript under MIT. uBlock has attracted 6% as many forks as stars, peerjs 11%. 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 | peerjs | |
|---|---|---|
| GitHub stars | ★ 69K | ★ 14K |
| License | GPL-3.0 | MIT |
| Written in | JavaScript | TypeScript |
| Last push | 2026-11-02 | 2026-02-27 |
| Forks | ⑂ 4.4K | ⑂ 1.5K |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick uBlock if
- You weight community size — 69K 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 peerjs if
- You want the peerjs feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches TypeScript
- You evaluated both and peerjs fits your workflow better
About uBlock
[![Badge Commits]][Commit Rate] [![Badge Issues]][Issues] [![Badge Localization]][Crowdin] [![Badge License]][License] [![Badge NPM]][NPM] [![Badge Mozilla]][Mozilla] ![Badge Chrome] [![Badge Edge]][Edge] uBlock Origin (uBO) GitHub Releases Stable and development versions on Firefox, Chromium MV2, and Thunderbird. Must be placed manually into web browsers; the Chromium and Thunderbird versions usually won't auto update. Related: uBlock Origin Lite uBlock Origin (uBO) is a CPU and memory efficient [wide spectrum content blocker][Blocking] for Chromium and Firefox. It blocks ads, trackers, coin miners, popups…
read the full uBlock overview →
About peerjs
PeerJS: Simple peer to peer with WebRTC PeerJS provides a complete, configurable, and easy to use peer to peer API built on top of WebRTC, supporting both data channels and media streams. Live Example Here's an example application that uses both media and data connections: The example also uses its own PeerServer. Special Announcement: We now have a Discord Channel There we plan to discuss roadmaps, feature requests, and more Join us today Setup Include the library with npm: npm install peerjs with yarn: yarn add peerjs Create a Peer Data connections Connect Receive Media calls Call Answer Running tests Browser…
read the full peerjs overview →
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Frequently asked questions
Is uBlock or peerjs more popular?
uBlock has 69,033 GitHub stars and peerjs has 13,501. uBlock has the larger community by that measure.
Are uBlock and peerjs free?
Both are open source. uBlock is licensed under GPL-3.0 and peerjs under MIT. Neither carries a licence fee.
What is the difference between uBlock and peerjs?
uBlock is written in JavaScript and peerjs in TypeScript. 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 peerjs?
Choose uBlock if you want the larger community (69,033 stars) or its GPL-3.0 licence terms. Choose peerjs if its feature set, stack or MIT licence fits better. Both are self-hostable.