Do you have a favorite KOReader plugin that didn't make this list? Head over to the MobileRead forums to share your setup.

Map physical buttons to specific software actions.

KOReader is more than just a document viewer—its open-source nature allows for significant customization through community-developed plugins and patches. Whether you are looking to overhaul the interface, gamify your reading habits, or sync annotations across multiple devices, there is likely a community-driven solution available. Essential UI & Navigation Enhancements

The plugin architecture is surprisingly approachable if you know basic Lua. Here’s a minimal “Hello World” plugin: