head to head · open source
koreader vs Lingo.dev
koreader has 29,761 GitHub stars, 1,908 forks, 1,345 open issues and last shipped yesterday. Lingo.dev has 5,402 stars, 810 forks, 34 open issues and last shipped 3 days ago. koreader leads on adoption by 451% (29,761 vs 5,402 stars). koreader is written in Lua under AGPL-3.0; Lingo.dev is written in TypeScript under Apache-2.0. koreader has attracted 6% as many forks as stars, Lingo.dev 15%. koreader 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
| koreader | Lingo.dev | |
|---|---|---|
| GitHub stars | ★ 30K | ★ 5.4K |
| License | AGPL-3.0 | Apache-2.0 |
| Written in | Lua | TypeScript |
| Last push | 2026-09-17 | 2026-09-15 |
| Forks | ⑂ 1.9K | ⑂ 810 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick koreader if
- You weight community size — 30K stars and counting
- You want the AGPL-3.0 license terms
- Your stack matches Lua
- You value the larger contributor base for long-term maintenance
pick Lingo.dev if
- You want the Lingo.dev feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches TypeScript
- You evaluated both and Lingo.dev fits your workflow better
About koreader
KOReader is a free, AGPL 3.0 licensed document viewer written in Lua that runs on e ink readers from Cervantes, Kindle, Kobo and PocketBook, on reMarkable, and on Android and desktop Linux, aimed at readers who want broader format support, finer typesetting control and better performance than the reading software shipped with their device.
read the full koreader overview →
About Lingo.dev
Lingo.dev is an open source suite of localization engineering tools that connects codebases and commits to translation APIs, built for developers and teams maintaining multilingual JavaScript, React, React Native, and TypeScript applications.
read the full Lingo.dev overview →
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Frequently asked questions
Is koreader or Lingo.dev more popular?
koreader has 29,761 GitHub stars and Lingo.dev has 5,402. koreader has the larger community by that measure.
Are koreader and Lingo.dev free?
Both are open source. koreader is licensed under AGPL-3.0 and Lingo.dev under Apache-2.0. Neither carries a licence fee.
What is the difference between koreader and Lingo.dev?
koreader is written in Lua and Lingo.dev 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, koreader or Lingo.dev?
Choose koreader if you want the larger community (29,761 stars) or its AGPL-3.0 licence terms. Choose Lingo.dev if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.