A cross-platform ebook reader and manager with sync, backup, and support for EPUB, PDF, MOBI, comics and more.
28.6K2.1KJavaScriptAGPL-3.0Updated 17 hours ago
1 alternative
Best open-source alternatives to Calibre (2026)
Looking for a free, open-source alternative to Calibre? These 1 projects can replace it. Each one is reviewed by a human and explained in plain words, so you can compare stars, license and maintenance at a glance.
Quick comparison
| Project | Stars | License | Last commit |
|---|---|---|---|
| koodo-reader/koodo-reader | ★ 28.6K | AGPL-3.0 | 17 hours ago |
FAQ
- Is there a free, open-source alternative to Calibre?
- Yes. The most popular open-source alternatives to Calibre on Repolode are koodo-reader.
- Which Calibre alternative should I choose?
- koodo-reader has the most GitHub stars and is released under AGPL-3.0. Compare the license and last commit of each option in the table above before choosing.