head to head · open source

Ladybird vs eventemitter3

Ladybird has 66,807 GitHub stars, 3,194 forks, 535 open issues and last shipped yesterday. eventemitter3 has 3,535 stars, 237 forks, 22 open issues and last shipped 10 months ago. Ladybird leads on adoption by 1,790% (66,807 vs 3,535 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.

Ladybird ★ 67K eventemitter3 ★ 3.5K category Productivity & Utilities

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Side by side

Ladybird eventemitter3
GitHub stars ★ 67K ★ 3.5K
License BSD-2-Clause MIT
Written in C++ JavaScript
Last push 2026-11-02 2026-01-19
Forks ⑂ 3.2K ⑂ 237
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

full Ladybird profile →

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

full eventemitter3 profile →

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 eventemitter3

EventEmitter3 EventEmitter3 is a high performance EventEmitter. It has been micro optimized for various of code paths making this, one of, if not the fastest EventEmitter available for Node.js and browsers. The module is API compatible with the EventEmitter that ships by default with Node.js but there are some slight differences: Domain support has been removed. We do not throw an error when you emit an error event and nobody is listening. The newListener and removeListener events have been removed as they are useful only in some uncommon use cases. The setMaxListeners , getMaxListeners , prependListener and…

read the full eventemitter3 overview →

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Frequently asked questions

Is Ladybird or eventemitter3 more popular?

Ladybird has 66,807 GitHub stars and eventemitter3 has 3,535. 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 (66,807 stars) or its BSD-2-Clause licence terms. Choose eventemitter3 if its feature set, stack or MIT licence fits better. Both are self-hostable.