Plant - Version control app and plugin for Sketch
InVision Design System Manager - Create and maintain your design system at scale.
Kactus - Design version control without changing your tools
Venus Design System - Venus - Design System tool is a Complex & Premium Design System with more than 2000+ components states, 250+ Global Styles & many more features!
Abstract - A secure, version-controlled hub for your design files
UI Design System for Mobile - Design awesome mobile apps with this starter kit for Sketch.