Marginalia is an e-ink firmware and package ecosystem for reader devices.
The project starts with Xteink X3/X4 support and builds toward a small RT-Thread-style model: the base firmware stays focused, while themes, modules, tools, and reader-native apps ship as installable packages.
Browse the live package catalog at marginalia-hub.vercel.app.
Core repositories:
marginalia-firmware: firmware fork and package runtimemarginalia-sdk: package manifest schema, tooling, and developer SDKmarginalia-registry: metadata-only package registrymarginalia-hub: package discovery and publishing hubmarginalia-examples: reference packagesmarginalia-simulator: desktop simulator for firmware development
