head to head · open source
uBlock vs stackprism
uBlock has 68,564 GitHub stars, 4,384 forks, 15 open issues and last shipped 3 days ago. stackprism has 1,116 stars, 89 forks, 0 open issues and last shipped yesterday. uBlock leads on adoption by 6,044% (68,564 vs 1,116 stars). uBlock is written in JavaScript under GPL-3.0; stackprism is written in TypeScript under MIT. uBlock has attracted 6% as many forks as stars, stackprism 8%. stackprism was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 1 topic tag (browser-extension), 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 | stackprism | |
|---|---|---|
| GitHub stars | ★ 69K | ★ 1.1K |
| License | GPL-3.0 | MIT |
| Written in | JavaScript | TypeScript |
| Last push | 2026-10-12 | 2026-10-14 |
| Forks | ⑂ 4.4K | ⑂ 89 |
| 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 stackprism if
- You want the stackprism feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches TypeScript
- You evaluated both and stackprism 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 stackprism
StackPrism is a Manifest V3 browser extension for Chrome, Edge, and Firefox that identifies the technology stack behind any webpage, for developers, security researchers, and analysts who need to know what a site runs on.
read the full stackprism overview →
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Frequently asked questions
Is uBlock or stackprism more popular?
uBlock has 68,564 GitHub stars and stackprism has 1,116. uBlock has the larger community by that measure.
Are uBlock and stackprism free?
Both are open source. uBlock is licensed under GPL-3.0 and stackprism under MIT. Neither carries a licence fee.
What is the difference between uBlock and stackprism?
uBlock is written in JavaScript and stackprism 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 stackprism?
Choose uBlock if you want the larger community (68,564 stars) or its GPL-3.0 licence terms. Choose stackprism if its feature set, stack or MIT licence fits better. Both are self-hostable.