head to head · open source
uBlock vs testcafe
uBlock has 69,033 GitHub stars, 4,427 forks, 15 open issues and last shipped yesterday. testcafe has 9,894 stars, 674 forks, 42 open issues and last shipped 4 days ago. uBlock leads on adoption by 598% (69,033 vs 9,894 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.
← all 20902 open source comparisons
Side by side
| uBlock | testcafe | |
|---|---|---|
| GitHub stars | ★ 69K | ★ 9.9K |
| License | GPL-3.0 | MIT |
| Written in | JavaScript | JavaScript |
| Last push | 2026-11-02 | 2026-10-30 |
| Forks | ⑂ 4.4K | ⑂ 674 |
| 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 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
[![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 testcafe
Automate end to end web testing with TestCafe, a Node.js based testing framework. TestCafe is free and as easy to use as 1 2 3 : 1. Write your tests in JS or TypeScript. 2. Execute your tests. 3. View test results. Homepage • Documentation • FAQ • Support Works on all popular environments : TestCafe runs on Windows, MacOS, and Linux. It supports desktop, mobile, remote and cloud browsers (UI or headless). 1 minute to set up : You do not need WebDriver or any other testing software. Install TestCafe with one command, and you are ready to test: npm install g testcafe Free and open source : TestCafe is free to use…
read the full testcafe overview →
More in Productivity & Utilities
Related comparisons
More Browsers & Extensions projects
Compare either of these against the rest of the Browsers & Extensions field.
Frequently asked questions
Is uBlock or testcafe more popular?
uBlock has 69,033 GitHub stars and testcafe has 9,894. 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 (69,033 stars) or its GPL-3.0 licence terms. Choose testcafe if its feature set, stack or MIT licence fits better. Both are self-hostable.