head to head · open source
uBlock vs Screenity
uBlock has 69,033 GitHub stars, 4,427 forks, 15 open issues and last shipped yesterday. Screenity has 18,894 stars, 1,538 forks, 8 open issues and last shipped 9 days ago. uBlock leads on adoption by 265% (69,033 vs 18,894 stars). uBlock is written in JavaScript under GPL-3.0; Screenity is written in JavaScript under GPL-3.0. uBlock has attracted 6% as many forks as stars, Screenity 8%. 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 | Screenity | |
|---|---|---|
| GitHub stars | ★ 69K | ★ 19K |
| License | GPL-3.0 | GPL-3.0 |
| Written in | JavaScript | JavaScript |
| Last push | 2026-11-02 | 2026-10-25 |
| 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 Screenity if
- You want the Screenity feature set and don't need the biggest community
- You prefer the GPL-3.0 license terms
- Your stack matches JavaScript
- You evaluated both and Screenity 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 Screenity
Screenity ✨ Screenity's open source work is sponsored by Recall.ai API for desktop recording If you’re looking for a hosted desktop recording API, consider checking out Recall.ai, an API that records Zoom, Google Meet, Microsoft Teams, in person meetings, and more. The free and privacy friendly screen recorder with no limits 🎥 Get it now it's free! Screenity is a powerful privacy friendly screen recorder and annotation tool to make better videos for work, education, and more. You can create stunning product demos, tutorials, presentations, or share feedback with your team all for free. Want to support the…
read the full Screenity overview →
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Frequently asked questions
Is uBlock or Screenity more popular?
uBlock has 69,033 GitHub stars and Screenity has 18,894. uBlock has the larger community by that measure.
Are uBlock and Screenity free?
Both are open source. uBlock is licensed under GPL-3.0 and Screenity under GPL-3.0. Neither carries a licence fee.
What is the difference between uBlock and Screenity?
uBlock is written in JavaScript and Screenity 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 Screenity?
Choose uBlock if you want the larger community (69,033 stars) or its GPL-3.0 licence terms. Choose Screenity if its feature set, stack or GPL-3.0 licence fits better. Both are self-hostable.