There is also NickelMenu: https://pgaskin.net/NickelMenu/
replyNickelMenu is fantastic for adding custom buttons and some extra. We use it to display the Cobalt entry button on the stock Kobo interface.
replyThis SDK provides more of an android/iOS type framework to use underlying hardware like bluetooth, wifi, battery and a bunch of UI components for creating complex apps with eink rendering, notifications, managed windows, OTA updates, a simulator, a sidekick mode for your apps and more.
> It is amazing that a $100 device with a single core and 512mb RAM can do so much and run for so long.
replyNot to sound like certain influencers but computers are pretty fast and the state of modern software is incredibly wasteful.