- [Calibre Web](https://github.com/janeczku/calibre-web) - Web app providing a clean interface for browsing, reading and downloading eBooks using an existing Calibre database. `GPL-3.0``Python`
- [Calibre Web](https://github.com/janeczku/calibre-web) - Web app providing a clean interface for browsing, reading and downloading eBooks using an existing Calibre database. `GPL-3.0``Python`
- [COPS](https://blog.slucas.fr/en/oss/calibre-opds-php-server) - Lightweight e-book server alternative to Calibre content server or Calibre2OPDS. ([Demo](http://cops-demo.slucas.fr/index.php), [Source Code](https://github.com/seblucas/cops)) `GPL-2.0``PHP`
- [COPS](https://blog.slucas.fr/en/oss/calibre-opds-php-server) - Lightweight e-book server alternative to Calibre content server or Calibre2OPDS. ([Demo](http://cops-demo.slucas.fr/index.php), [Source Code](https://github.com/seblucas/cops)) `GPL-2.0``PHP`
- [The Epube](https://tt-rss.org/the-epube) - Self-hosted web EPUB reader using EPUB.js, Bootstrap, and Calibre. ([Source Code](https://git.tt-rss.org/fox/the-epube)) `GPL-3.0``PHP`
- [The Epube](https://tt-rss.org/the-epube) - Self-hosted web EPUB reader using EPUB.js, Bootstrap, and Calibre. ([Source Code](https://git.tt-rss.org/fox/the-epube)) `GPL-3.0``PHP`
- [Komga](https://github.com/gotson/komga) - Media server for comics/mangas/BDs with API and OPDS support, a modern web interface for exploring your libraries, as well as a web reader. `MIT``Kotlin`
- [Polar Bookshelf](https://getpolarized.io/) - Polar is a personal knowledge repository for PDF and web content supporting incremental reading and document annotation. ([Source Code](https://github.com/burtonator/polar-bookshelf)) `GPL``Javascript`
- [Polar Bookshelf](https://getpolarized.io/) - Polar is a personal knowledge repository for PDF and web content supporting incremental reading and document annotation. ([Source Code](https://github.com/burtonator/polar-bookshelf)) `GPL``Javascript`