head to head · open source
BrowserOS vs Thorium-Win
BrowserOS has 14,245 GitHub stars, 1,531 forks, 82 open issues and last shipped yesterday. Thorium-Win has 2,562 stars, 55 forks, 25 open issues and last shipped 25 days ago. BrowserOS leads on adoption by 456% (14,245 vs 2,562 stars). BrowserOS is written in TypeScript under AGPL-3.0; Thorium-Win is written in Batchfile under BSD-3-Clause. BrowserOS has attracted 11% as many forks as stars, Thorium-Win 2%. BrowserOS 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.
← all 20902 open source comparisons
Side by side
| BrowserOS | Thorium-Win | |
|---|---|---|
| GitHub stars | ★ 14K | ★ 2.6K |
| License | AGPL-3.0 | BSD-3-Clause |
| Written in | TypeScript | Batchfile |
| Last push | 2026-11-04 | 2026-10-11 |
| Forks | ⑂ 1.5K | ⑂ 55 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick BrowserOS if
- You weight community size — 14K stars and counting
- You want the AGPL-3.0 license terms
- Your stack matches TypeScript
- 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 BrowserOS
Website · Docs · Enterprise Free · Open source · Everything runs on your machine A second browser, just for your AI agents. Import your logins from Chrome in one click, connect Claude Code, Codex, or any MCP agent, and hand off your web tasks. Agents run in parallel in their own tabs. You watch live, or replay any session like a video. BrowserOS neo is not a Chrome replacement. It is a secondary browser that sits next to Chrome, made friendly to agents. Get started 1. Install BrowserOS neo Prefer a direct download? Grab it for macOS or Windows. 2. Import from Chrome One click brings over your logins, bookmarks…
read the full BrowserOS 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 →
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 BrowserOS or Thorium-Win more popular?
BrowserOS has 14,245 GitHub stars and Thorium-Win has 2,562. BrowserOS has the larger community by that measure.
Are BrowserOS and Thorium-Win free?
Both are open source. BrowserOS is licensed under AGPL-3.0 and Thorium-Win under BSD-3-Clause. Neither carries a licence fee.
What is the difference between BrowserOS and Thorium-Win?
BrowserOS is written in TypeScript 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, BrowserOS or Thorium-Win?
Choose BrowserOS if you want the larger community (14,245 stars) or its AGPL-3.0 licence terms. Choose Thorium-Win if its feature set, stack or BSD-3-Clause licence fits better. Both are self-hostable.