Cobalt

Assess

Platforms

An open-source application platform for Kobo e-readers with app installation, updates, and sandboxed execution.

Why it's here

Placed in Assess: 1 article(s) of evidence from 1 source(s), led by open-source activity, with 0 in the last 30 days. Confidence 24%. Low accumulated evidence, so it defaults conservatively pending more signal.

Evidence (1)

6Hacker News·8/21/2026open_source
Kobo e-readers get open-source app platform Cobalt
Cobalt is an open-source application platform for Kobo e-readers that adds a launcher, signed app store, Rust SDK, and sandboxed runtime. Apps are installed over USB once, then managed on-device over Wi‑Fi, with signatures verified and a reboot restoring the stock Kobo reader.