head to head · open source
Ladybird vs eventemitter3
Ladybird has 66,240 GitHub stars, 3,162 forks, 535 open issues and last shipped yesterday. eventemitter3 has 3,538 stars, 236 forks, 22 open issues and last shipped 8 months ago. Ladybird leads on adoption by 1,772% (66,240 vs 3,538 stars). Ladybird is written in C++ under BSD-2-Clause; eventemitter3 is written in JavaScript under MIT. Ladybird has attracted 5% as many forks as stars, eventemitter3 7%. 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 | eventemitter3 | |
|---|---|---|
| GitHub stars | ★ 66K | ★ 3.5K |
| License | BSD-2-Clause | MIT |
| Written in | C++ | JavaScript |
| Last push | 2026-09-18 | 2026-01-19 |
| Forks | ⑂ 3.2K | ⑂ 236 |
| 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 eventemitter3 if
- You want the eventemitter3 feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches JavaScript
- You evaluated both and eventemitter3 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 eventemitter3
EventEmitter3 is a high performance, MIT licensed event emitter library for JavaScript that is API compatible with the Node.js built in EventEmitter and intended for Node.js and browser developers who need faster event handling without rewriting existing event code.
read the full eventemitter3 overview →
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Frequently asked questions
Is Ladybird or eventemitter3 more popular?
Ladybird has 66,240 GitHub stars and eventemitter3 has 3,538. Ladybird has the larger community by that measure.
Are Ladybird and eventemitter3 free?
Both are open source. Ladybird is licensed under BSD-2-Clause and eventemitter3 under MIT. Neither carries a licence fee.
What is the difference between Ladybird and eventemitter3?
Ladybird is written in C++ and eventemitter3 in JavaScript. 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 eventemitter3?
Choose Ladybird if you want the larger community (66,240 stars) or its BSD-2-Clause licence terms. Choose eventemitter3 if its feature set, stack or MIT licence fits better. Both are self-hostable.