Koreader Plugin

KOReader is a powerful document viewer for E Ink devices (like Kobo, PocketBook, Android e-readers) and Linux desktops. Its functionality can be significantly extended through — optional Lua scripts that add everything from calendar integration to file management automation.

(built-in)

The beauty of KOReader is that most of these plugins come pre-installed but disabled, or are available through the built-in (found in the Tools menu). koreader plugin