head to head · open source
Ladybird vs percy
Ladybird has 66,255 GitHub stars, 3,165 forks, 535 open issues and last shipped today. percy has 2,315 stars, 84 forks, 44 open issues and last shipped 25 days ago. Ladybird leads on adoption by 2,762% (66,255 vs 2,315 stars). Ladybird is written in C++ under BSD-2-Clause; percy is written in Rust under Apache-2.0. Ladybird has attracted 5% as many forks as stars, percy 4%. Ladybird was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 1 topic tag (browser), 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
| Ladybird | percy | |
|---|---|---|
| GitHub stars | ★ 66K | ★ 2.3K |
| License | BSD-2-Clause | Apache-2.0 |
| Written in | C++ | Rust |
| Last push | 2026-09-19 | 2026-08-25 |
| Forks | ⑂ 3.2K | ⑂ 84 |
| 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 percy if
- You want the percy feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches Rust
- You evaluated both and percy 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 percy
Percy is a Rust library and build workflow for creating frontend browser applications that compile to WebAssembly, with support for server side rendering, aimed at Rust developers who want to write client side, server side, or isomorphic web apps without leaving Rust.
read the full percy overview →
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Frequently asked questions
Is Ladybird or percy more popular?
Ladybird has 66,255 GitHub stars and percy has 2,315. Ladybird has the larger community by that measure.
Are Ladybird and percy free?
Both are open source. Ladybird is licensed under BSD-2-Clause and percy under Apache-2.0. Neither carries a licence fee.
What is the difference between Ladybird and percy?
Ladybird is written in C++ and percy in Rust. 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 percy?
Choose Ladybird if you want the larger community (66,255 stars) or its BSD-2-Clause licence terms. Choose percy if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.