head to head · open source
Ladybird vs percy
Ladybird has 66,807 GitHub stars, 3,194 forks, 535 open issues and last shipped yesterday. percy has 2,315 stars, 84 forks, 44 open issues and last shipped 15 days ago. Ladybird leads on adoption by 2,786% (66,807 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 | ★ 67K | ★ 2.3K |
| License | BSD-2-Clause | Apache-2.0 |
| Written in | C++ | Rust |
| Last push | 2026-11-02 | 2026-10-19 |
| Forks | ⑂ 3.2K | ⑂ 84 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick Ladybird if
- You weight community size — 67K 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 Ladybird is a truly independent web browser, using a novel engine based on web standards. [!IMPORTANT] Ladybird is in a pre alpha state, and only suitable for use by developers Features We aim to build a complete, usable browser for the modern web. Ladybird uses a multi process architecture with a main UI process, several WebContent renderer processes, an ImageDecoder process, and a RequestServer process. Image decoding and network connections are done out of process to be more robust against malicious content. Each tab has its own renderer process, which is sandboxed from the rest of the system. At the…
read the full Ladybird overview →
About percy
Percy ===== Build frontend browser apps with Rust + WebAssembly. Supports server side rendering. The Percy Book This README gives a light introduction to Percy. Check out [The Percy Book] for a full walk through. [The Percy Book]: Stable Rust Percy compiles on stable Rust with one caveat: On nightly Rust you can create text nodes without quotes. On stable Rust, quotation marks are required. This difference will go away once span locations are stabilized in the Rust compiler Rust tracking issue. Getting Started The best way to get up to speed is by checking out The Percy Book, but here is a very basic example to…
read the full percy overview →
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Frequently asked questions
Is Ladybird or percy more popular?
Ladybird has 66,807 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 (66,807 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.