Calibre-Web is a web app providing a clean interface for browsing, reading and downloading eBooks using an existing calibre database.

COPS is described as 'Simple OPDS / HTML content server for small servers' and is a Ebook Library in the news & books category. There are eight alternatives to COPS for a variety of platforms, including Self-Hosted, Windows, Linux, Mac and Cloudron apps. The best COPS alternative is Calibre-Web, which is both free and Open Source. Other great apps like COPS are Komga, Ubooquity, TinyOPDS and ComiXed.
Calibre-Web is a web app providing a clean interface for browsing, reading and downloading eBooks using an existing calibre database.

Komga is a free and open source comics/mangas server with a web-based interface for browsing, searching and reading books and series as well as for administering accounts and access.




Ubooquity is a free, lightweight and easy-to-use home server for your comics and ebooks. Use it to access your files from anywhere, with a tablet, an e-reader, a phone or a computer.




BicBucStriim streams digital books - it provides web-based access to your e-book collection. BicBucStriim is a simple PHP application that reads the Calibre data and publishes it in HTML form and as OPDS book catalog.




Calibre2opds can generate OPDS and HTML catalogs from the metadata of the calibre e-book library manager. These catalogs can then be used both to browse your e-book library online and also to download books on demand.




Bookshelf is a lightweight epub online catalog. It exposes your ebook collection as a webview and OPDS catalog.