Urbit's userspace is managed by Arvo's Gall vane.

Overview

An overview of userspace in Urbit.

Gall

Resources on Gall which manages userspace applications.

Landscape

Resources on the flagship web client Landcape, through which most users interact with their ship.

Threads

Resources on threads - monadic functions useful for complex IO.

Graph Store

Resources on Graph Store, a non-relational database specialized for social media applications.