Calibre is an outstanding open-source tool for organizing and managing your eBook collection. While it's popular as a desktop app, you can also run it as a content server to centralize your library and access books from any device on your network. As experienced Raspberry Pi enthusiasts, we've tested this setup extensively—here's how to install Calibre Content Server on your Pi.
Note: This guide uses a Raspberry Pi 3B+ with Raspbian 10 (Buster), but the process works on most Pi-compatible OSes.
To begin, open a terminal and run:
sudo apt install calibre
Next, launch Calibre from your apps menu. If it's your first time, complete the quick setup wizard to select your library folder and eBook device locations—it's intuitive and takes just moments.
Once ready, click "Connect/Share" in the Calibre toolbar.

Start the content server. Your library is now accessible from other devices on your home network via the Pi's IP address.
Re-select "Connect/Share" to view the IP and port (typically 8080). In any browser on your network, enter:
IP_ADDRESS:8080

Enter the full IP:port as shown.

For remote access outside your network, forward port 8080 on your router and use your external IP (find it at whatismyipaddress.com):
EXTERNAL_IP:8080
That's it—your Raspberry Pi now runs a robust Calibre Content Server. Populate your library and stream eBooks effortlessly. For more reading options, explore Amazon Kindle Unlimited alternatives.