head to head · open source
Ladybird vs browser-agent
Ladybird has 66,240 GitHub stars, 3,162 forks, 535 open issues and last shipped yesterday. browser-agent has 4,128 stars, 238 forks, 34 open issues and last shipped 7 months ago. Ladybird leads on adoption by 1,505% (66,240 vs 4,128 stars). Ladybird is written in C++ under BSD-2-Clause; browser-agent is written in TypeScript under Apache-2.0. Ladybird has attracted 5% as many forks as stars, browser-agent 6%. 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 | browser-agent | |
|---|---|---|
| GitHub stars | ★ 66K | ★ 4.1K |
| License | BSD-2-Clause | Apache-2.0 |
| Written in | C++ | TypeScript |
| Last push | 2026-09-18 | 2026-02-08 |
| Forks | ⑂ 3.2K | ⑂ 238 |
| 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 browser-agent if
- You want the browser-agent feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches TypeScript
- You evaluated both and browser-agent 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 browser-agent
Magnitude is an open source, vision first browser agent written in TypeScript that lets developers control a real browser with natural language, and it is aimed at engineers who need to automate repetitive web work, move data between applications that lack APIs, or test web interfaces rather than click through them by hand.
read the full browser-agent overview →
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Frequently asked questions
Is Ladybird or browser-agent more popular?
Ladybird has 66,240 GitHub stars and browser-agent has 4,128. Ladybird has the larger community by that measure.
Are Ladybird and browser-agent free?
Both are open source. Ladybird is licensed under BSD-2-Clause and browser-agent under Apache-2.0. Neither carries a licence fee.
What is the difference between Ladybird and browser-agent?
Ladybird is written in C++ and browser-agent in TypeScript. 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 browser-agent?
Choose Ladybird if you want the larger community (66,240 stars) or its BSD-2-Clause licence terms. Choose browser-agent if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.