Neovidya - Neovidya provides structured access to high-quality educational content.
Sketch Talk - A community for Sketch users of all skill levels
Flowkit - Sketch library for user flows/content maps/annotations
SketchCasts - A weekly screencast, all about how to use Sketch
Universe Design System - Supercharge your UX & UI Design workflow. Made for Sketch.
RookieUp Career Bootcamps - Tools to help designers build great portfolios and get jobs.