This plugin forces your device to go into deep sleep after a set period of inactivity. Crucially, it can also execute a full shutdown after a prolonged idle period—something the stock OS rarely does.
Best for: Immersion learners.
Before diving into the list, a quick note on installation. Unlike complicated software, installing KOReader plugins is refreshingly simple:
For the modern reader, this is the crown jewel. Wallabag is a "read-it-later" service, similar to Pocket or Instapaper, but open-source and self-hostable. The KOReader plugin connects directly to your Wallabag server.
Adds a fully functional Lua terminal to KOReader. You can run basic shell commands, edit config files, and even write short Lua scripts on the fly.