A web server with PHP support (Nginx, Apache, Cherokee, Lighttpd, IIS).

PHP 5.3, 5.4, 5.5, 5.6 or hhvm with GD image processing, Libxml, Intl, Json & SQLite3 support.

If you want to try it, you can use this URL in your favourite OPDS client :

Multilanguage : Catalan, Czech, German, English, Spanish, Basque, French, Haitian (Creole), Hungarian, Italian, Norwegian Bokmål, Dutch, Polish, Portuguese, Russian, Swedish, Ukrainian, Chinese.

Facets in the OPDS feed to filter book list (the only OPDS clients supporting it are Mantano Reader and Bluefire for now).

Epub metadata update like Calibre Content Server (enable it with $config) : If you fixed the author name / a tag / the serie name of a book in Calibre, then the epub you’ll download with COPS will contain the fix.

Multiple Calibre database support in a single COPS install.

HTML5 / CSS3 interface with responsive design.

I’ll probably start it again in the future ). Other users have reported COPS working with Stanza, Megareader, Shubook and Bluefire.Īs I already said, I had never coded in PHP before so I’m not proud at all about the code quality. I also used Ibis Reader with success but there is no support for password. On the OPDS client side I mainly tested with FBReader Mantano Reader and Aldiko on Android (these 3 also ask for user/password if you have protected your COPS catalog). I personally protect my COPS catalog with Basic HTTP auth and HTTPS. It’s been reported as working on most web servers (Nginx, Apache, Cherokee, Lighttpd, IIS) and is used a lot on NAS (Synology, QNap, ReadyNas). You just have to sync your Calibre directory to your COPS server the way you prefer (Dropbox, Bt Sync, Syncthing, use a directory shared with Nextcloud, …). If you want to use the OPDS feed don’t forget to specify feed.php at the end of your URL. It was my first PHP experiment and so fun to code.

I initially thought of Calibre2OPDS but as it generate static file no search was possible. I needed a simple tool to be installed on a small server (Seagate Dockstar in my case). That’s the main reason why I coded this OPDS / HTML content server. In my opinion Calibre is a marvelous tool but is too big and has too much dependencies to be used only for its content server.

Here is COPS : Calibre OPDS (and HTML) PHP Server Why ?

Running calibre server on a nas