head to head · open source
Ladybird vs Thorium-Win
Ladybird has 66,237 GitHub stars, 3,163 forks, 535 open issues and last shipped yesterday. Thorium-Win has 2,534 stars, 54 forks, 25 open issues and last shipped 26 days ago. Ladybird leads on adoption by 2,514% (66,237 vs 2,534 stars). Ladybird is written in C++ under BSD-2-Clause; Thorium-Win is written in Batchfile under BSD-3-Clause. Ladybird has attracted 5% as many forks as stars, Thorium-Win 2%. Ladybird 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.
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Side by side
| Ladybird | Thorium-Win | |
|---|---|---|
| GitHub stars | ★ 66K | ★ 2.5K |
| License | BSD-2-Clause | BSD-3-Clause |
| Written in | C++ | Batchfile |
| Last push | 2026-09-17 | 2026-08-23 |
| Forks | ⑂ 3.2K | ⑂ 54 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick Ladybird if
- You weight community size — 66K stars and counting
- You want the BSD-2-Clause license terms
- Your stack matches C++
- 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 Ladybird
Ladybird is a truly independent web browser and browser engine, written from scratch in C++ rather than as a fork of any existing engine, and it is built for developers who want to work on a browser engine based on web standards while it remains in a pre alpha state.
read the full Ladybird 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 Ladybird or Thorium-Win more popular?
Ladybird has 66,237 GitHub stars and Thorium-Win has 2,534. Ladybird has the larger community by that measure.
Are Ladybird and Thorium-Win free?
Both are open source. Ladybird is licensed under BSD-2-Clause and Thorium-Win under BSD-3-Clause. Neither carries a licence fee.
What is the difference between Ladybird and Thorium-Win?
Ladybird is written in C++ 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, Ladybird or Thorium-Win?
Choose Ladybird if you want the larger community (66,237 stars) or its BSD-2-Clause licence terms. Choose Thorium-Win if its feature set, stack or BSD-3-Clause licence fits better. Both are self-hostable.