Cobalt: apps and an SDK for Kobo e-readers

· Adafruit Industries Blog · Sept. 1, 2026, 7:54 p.m.
Software Kobo cobalt e-paper Kobo e-readers Open Source Application Development Rust SDK
Summary
Cobalt is an open source platform for Kobo e-readers that offers a variety of apps and a Rust SDK. It features a launcher, a signed app store, and a unique runtime that keeps apps in separate processes. Users can easily manage apps over WiFi after initial installation via USB.
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