head to head · open source
koreader vs Weblate
koreader has 30,818 GitHub stars, 2,019 forks, 1,345 open issues and last shipped yesterday. Weblate has 6,148 stars, 1,380 forks, 493 open issues and last shipped yesterday. koreader leads on adoption by 401% (30,818 vs 6,148 stars). koreader is written in Lua under AGPL-3.0; Weblate is written in Python under GPL-3.0. koreader has attracted 7% as many forks as stars, Weblate 22%. 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 | Weblate | |
|---|---|---|
| GitHub stars | ★ 31K | ★ 6.1K |
| License | AGPL-3.0 | GPL-3.0 |
| Written in | Lua | Python |
| Last push | 2026-11-02 | 2026-11-02 |
| Forks | ⑂ 2.0K | ⑂ 1.4K |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick koreader if
- You weight community size — 31K 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 Weblate if
- You want the Weblate feature set and don't need the biggest community
- You prefer the GPL-3.0 license terms
- Your stack matches Python
- You evaluated both and Weblate fits your workflow better
About koreader
KOReader is a document viewer primarily aimed at e ink readers. [![AGPL Licence][badge license]](COPYING) [![Latest release][badge release]][link gh releases] [![Gitter][badge gitter]][link gitter] [![Mobileread][badge mobileread]][link forum] [![Build Status][badge circleci]][link circleci] [![Coverage Status][badge coverage]][link coverage] [![Weblate Status][badge weblate]][link weblate] Download • User guide • Wiki • Developer docs Main features portable : runs on embedded devices (Cervantes, Kindle, Kobo, PocketBook, reMarkable), Android and Linux computers. Developers can run a KOReader emulator in Linux…
read the full koreader overview →
About Weblate
.. image:: :alt: Weblate :target: :height: 80px Weblate is libre software web based continuous localization system, used by over 2500 libre projects and companies in more than 165 countries. Install it, or use the Hosted Weblate service at weblate.org . .. image:: :alt: Website :target: .. image:: :alt: Translation status :target: .. image:: :alt: CII Best Practices :target: .. image:: :alt: REUSE status :target: .. image:: :target: .. image:: :target: .. image:: :alt: License :target: .. image:: :alt: Covered by Argos Visual Testing :target: Support Weblate is libre software with optional professional support…
read the full Weblate overview →
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Frequently asked questions
Is koreader or Weblate more popular?
koreader has 30,818 GitHub stars and Weblate has 6,148. koreader has the larger community by that measure.
Are koreader and Weblate free?
Both are open source. koreader is licensed under AGPL-3.0 and Weblate under GPL-3.0. Neither carries a licence fee.
What is the difference between koreader and Weblate?
koreader is written in Lua and Weblate in Python. 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 Weblate?
Choose koreader if you want the larger community (30,818 stars) or its AGPL-3.0 licence terms. Choose Weblate if its feature set, stack or GPL-3.0 licence fits better. Both are self-hostable.