head to head · open source
uBlock vs Thorium-Win
uBlock has 67,923 GitHub stars, 4,353 forks, 15 open issues and last shipped yesterday. Thorium-Win has 2,534 stars, 54 forks, 25 open issues and last shipped 26 days ago. uBlock leads on adoption by 2,580% (67,923 vs 2,534 stars). uBlock is written in JavaScript under GPL-3.0; Thorium-Win is written in Batchfile under BSD-3-Clause. uBlock has attracted 6% as many forks as stars, Thorium-Win 2%. uBlock was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 1 topic tag (chromium), 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 | Thorium-Win | |
|---|---|---|
| GitHub stars | ★ 68K | ★ 2.5K |
| License | GPL-3.0 | BSD-3-Clause |
| Written in | JavaScript | Batchfile |
| Last push | 2026-09-17 | 2026-08-23 |
| Forks | ⑂ 4.4K | ⑂ 54 |
| 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 Thorium-Win if
- You want the Thorium-Win feature set and don't need the biggest community
- You prefer the BSD-3-Clause license terms
- Your stack matches Batchfile
- You evaluated both and Thorium-Win 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 Thorium-Win
Thorium Win is the Windows build repository for Thorium, a Chromium fork named after radioactive element No. 90. It lives in the Chromium browser ecosystem and provides Windows binaries built from the latest stable Chromium source. The repository is part of a broader Thorium project whose main repository hosts source code for all platforms and serves Linux builds.
read the full Thorium-Win overview →
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Frequently asked questions
Is uBlock or Thorium-Win more popular?
uBlock has 67,923 GitHub stars and Thorium-Win has 2,534. uBlock has the larger community by that measure.
Are uBlock and Thorium-Win free?
Both are open source. uBlock is licensed under GPL-3.0 and Thorium-Win under BSD-3-Clause. Neither carries a licence fee.
What is the difference between uBlock and Thorium-Win?
uBlock is written in JavaScript and Thorium-Win in Batchfile. 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 Thorium-Win?
Choose uBlock if you want the larger community (67,923 stars) or its GPL-3.0 licence terms. Choose Thorium-Win if its feature set, stack or BSD-3-Clause licence fits better. Both are self-hostable.