Design Systems Handbook by DesignBetter.Co - Your guide to design systems best practices
Plant - Version control app and plugin for Sketch
The DesignOps Handbook by InVision - Guide to understanding how DesignOps help design teams scale
Kactus - Design version control without changing your tools
Design Principles - An open source repository of design principles and methods
Abstract - A secure, version-controlled hub for your design files