head to head · open source
Ladybird vs SingleFile
Ladybird has 66,797 GitHub stars, 3,193 forks, 535 open issues and last shipped yesterday. SingleFile has 22,811 stars, 1,432 forks, 101 open issues and last shipped yesterday. Ladybird leads on adoption by 193% (66,797 vs 22,811 stars). Ladybird is written in C++ under BSD-2-Clause; SingleFile is written in JavaScript under AGPL-3.0. Ladybird has attracted 5% as many forks as stars, SingleFile 6%. SingleFile 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 | SingleFile | |
|---|---|---|
| GitHub stars | ★ 67K | ★ 23K |
| License | BSD-2-Clause | AGPL-3.0 |
| Written in | C++ | JavaScript |
| Last push | 2026-11-02 | 2026-11-02 |
| Forks | ⑂ 3.2K | ⑂ 1.4K |
| 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 SingleFile if
- You want the SingleFile feature set and don't need the biggest community
- You prefer the AGPL-3.0 license terms
- Your stack matches JavaScript
- You evaluated both and SingleFile 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 SingleFile
SingleFile SingleFile helps you to save a complete web page into a single HTML file. SingleFile is a Web Extension (and a CLI tool) compatible with Chrome, Firefox (Desktop and Mobile), Microsoft Edge, Safari, Vivaldi, Brave, Waterfox, Yandex browser, and Opera. Table of Contents SingleFile Table of Contents Demo Install Getting started Additional notes FAQ Release notes Known Issues and Troubleshooting Command Line Interface (SingleFile CLI) Integration with user scripts File format comparison Projects using/compatible with SingleFile Privacy Policy Contributors Code derived from third party projects Icons…
read the full SingleFile overview →
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Frequently asked questions
Is Ladybird or SingleFile more popular?
Ladybird has 66,797 GitHub stars and SingleFile has 22,811. Ladybird has the larger community by that measure.
Are Ladybird and SingleFile free?
Both are open source. Ladybird is licensed under BSD-2-Clause and SingleFile under AGPL-3.0. Neither carries a licence fee.
What is the difference between Ladybird and SingleFile?
Ladybird is written in C++ and SingleFile 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 SingleFile?
Choose Ladybird if you want the larger community (66,797 stars) or its BSD-2-Clause licence terms. Choose SingleFile if its feature set, stack or AGPL-3.0 licence fits better. Both are self-hostable.