head to head · open source
Ladybird vs kysely
Ladybird has 66,807 GitHub stars, 3,194 forks, 535 open issues and last shipped yesterday. kysely has 14,327 stars, 456 forks, 173 open issues and last shipped yesterday. Ladybird leads on adoption by 366% (66,807 vs 14,327 stars). Ladybird is written in C++ under BSD-2-Clause; kysely is written in TypeScript under MIT. Ladybird has attracted 5% as many forks as stars, kysely 3%. 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 | kysely | |
|---|---|---|
| GitHub stars | ★ 67K | ★ 14K |
| License | BSD-2-Clause | MIT |
| Written in | C++ | TypeScript |
| Last push | 2026-11-02 | 2026-11-02 |
| Forks | ⑂ 3.2K | ⑂ 456 |
| 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 kysely if
- You want the kysely feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches TypeScript
- You evaluated both and kysely 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 kysely
Join the discussion ⠀⠀⠀⠀⠀⠀⠀ Get started & more! Kysely Kysely (pronounce “Key Seh Lee”) is a type safe and autocompletion friendly TypeScript SQL query builder. Inspired by Knex.js. Mainly developed for Node.js but also runs on all other JavaScript environments like Deno, Bun, Cloudflare Workers and web browsers. Kysely makes sure you only refer to tables and columns that are visible to the part of the query you're writing. The result type only has the selected columns with correct types and aliases. As an added bonus you get autocompletion for all that stuff. As shown in the gif above, through the pure magic of…
read the full kysely overview →
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Frequently asked questions
Is Ladybird or kysely more popular?
Ladybird has 66,807 GitHub stars and kysely has 14,327. Ladybird has the larger community by that measure.
Are Ladybird and kysely free?
Both are open source. Ladybird is licensed under BSD-2-Clause and kysely under MIT. Neither carries a licence fee.
What is the difference between Ladybird and kysely?
Ladybird is written in C++ and kysely 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 kysely?
Choose Ladybird if you want the larger community (66,807 stars) or its BSD-2-Clause licence terms. Choose kysely if its feature set, stack or MIT licence fits better. Both are self-hostable.