head to head · open source
uBlock vs Thorium-Win
uBlock has 69,033 GitHub stars, 4,427 forks, 15 open issues and last shipped yesterday. Thorium-Win has 2,562 stars, 55 forks, 25 open issues and last shipped 23 days ago. uBlock leads on adoption by 2,594% (69,033 vs 2,562 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 | ★ 69K | ★ 2.6K |
| License | GPL-3.0 | BSD-3-Clause |
| Written in | JavaScript | Batchfile |
| Last push | 2026-11-02 | 2026-10-11 |
| Forks | ⑂ 4.4K | ⑂ 55 |
| 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 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
[![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 Thorium-Win
Thorium for Windows Repo to serve Windows builds of Thorium! \ IMPORTANT: PLEASE USE THE NEW WINDOWS 7/8 REPO HERE FOR WINDOWS 7/8/8.1 RELEASES \ NEW: AVX2 Builds are now being served at This repo only hosts Windows builds. The other Thorium repos : Main repo that hosts the source code for all platforms and serves linux builds Windows AVX2 repo that serves AVX2 Windows builds MacOS builds for x64 and M1 ARM64 are here \ Android builds for ARM32 and ARM64 are here \ Raspberry Pi (ARM64) builds are here \ Builds for Windows 7/8/8.1 are here \ Windows on ARM (arm64) builds are here \ Special repo which serves…
read the full Thorium-Win overview →
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Frequently asked questions
Is uBlock or Thorium-Win more popular?
uBlock has 69,033 GitHub stars and Thorium-Win has 2,562. 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 (69,033 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.