head to head · open source
Ladybird vs competitive-companion
Ladybird has 66,240 GitHub stars, 3,162 forks, 535 open issues and last shipped today. competitive-companion has 1,310 stars, 211 forks, 90 open issues and last shipped 3 months ago. Ladybird leads on adoption by 4,956% (66,240 vs 1,310 stars). Ladybird is written in C++ under BSD-2-Clause; competitive-companion is written in TypeScript under MIT. Ladybird has attracted 5% as many forks as stars, competitive-companion 16%. Ladybird was the more recently maintained of the two, and both are self-hostable with no licence fee.
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 | competitive-companion | |
|---|---|---|
| GitHub stars | ★ 66K | ★ 1.3K |
| License | BSD-2-Clause | MIT |
| Written in | C++ | TypeScript |
| Last push | 2026-09-18 | 2026-06-29 |
| Forks | ⑂ 3.2K | ⑂ 211 |
| 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 competitive-companion if
- You want the competitive-companion feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches TypeScript
- You evaluated both and competitive-companion 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 competitive-companion
Competitive Companion [link cws]: [link amo]: [ ][link cws] [ ][link cws] [ ][link cws] [ ][link amo] [ ][link amo] [ ][link amo] A browser extension which parses competitive programming problems from various online judges (like AtCoder and Codeforces) and sends them to various tools (like CP Editor and CPH). Capable of parsing problems and contests and extracting data like the example testcases and the time and memory constraints. Install [ Chrome extension][link cws] [ ][link cws] [ Firefox add on][link amo] [ ][link amo] Tools that use Competitive Companion acmX AI Virtual Assistant Assistant.nvim AutoCp Caide…
read the full competitive-companion overview →
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Frequently asked questions
Is Ladybird or competitive-companion more popular?
Ladybird has 66,240 GitHub stars and competitive-companion has 1,310. Ladybird has the larger community by that measure.
Are Ladybird and competitive-companion free?
Both are open source. Ladybird is licensed under BSD-2-Clause and competitive-companion under MIT. Neither carries a licence fee.
What is the difference between Ladybird and competitive-companion?
Ladybird is written in C++ and competitive-companion 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 competitive-companion?
Choose Ladybird if you want the larger community (66,240 stars) or its BSD-2-Clause licence terms. Choose competitive-companion if its feature set, stack or MIT licence fits better. Both are self-hostable.