Design Systems Repo - A collection of design system examples and resources
Figma Map Maker - Figma plugin to generate map, supporting Google Maps, Mapbox
Plaster for Sketch - Create top-quality apps with powerful Sketch design system
Easometric Figma Plugin - With Easometric it's really easy to create isometric layers.
Git Sketch Plugin - Version control for designers
Figma - Team-based interface design, Figma lets you collaborate on designs in real time.