head to head · open source
uBlock vs testcafe
uBlock has 67,937 GitHub stars, 4,354 forks, 15 open issues and last shipped yesterday. testcafe has 9,903 stars, 676 forks, 42 open issues and last shipped 8 days ago. uBlock leads on adoption by 586% (67,937 vs 9,903 stars). uBlock is written in JavaScript under GPL-3.0; testcafe is written in JavaScript under MIT. uBlock has attracted 6% as many forks as stars, testcafe 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 | testcafe | |
|---|---|---|
| GitHub stars | ★ 68K | ★ 9.9K |
| License | GPL-3.0 | MIT |
| Written in | JavaScript | JavaScript |
| Last push | 2026-09-17 | 2026-09-10 |
| Forks | ⑂ 4.4K | ⑂ 676 |
| 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 testcafe if
- You want the testcafe feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches JavaScript
- You evaluated both and testcafe 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 testcafe
TestCafe is a free, MIT licensed Node.js framework that automates end to end web testing, built for JavaScript and TypeScript developers and QA teams who want to drive real browsers without installing or maintaining WebDriver.
read the full testcafe overview →
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Frequently asked questions
Is uBlock or testcafe more popular?
uBlock has 67,937 GitHub stars and testcafe has 9,903. uBlock has the larger community by that measure.
Are uBlock and testcafe free?
Both are open source. uBlock is licensed under GPL-3.0 and testcafe under MIT. Neither carries a licence fee.
What is the difference between uBlock and testcafe?
uBlock is written in JavaScript and testcafe 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 testcafe?
Choose uBlock if you want the larger community (67,937 stars) or its GPL-3.0 licence terms. Choose testcafe if its feature set, stack or MIT licence fits better. Both are self-hostable.