SVG Backgrounds - Customize, scalable backgrounds and patterns for free
Git Sketch Plugin - Version control for designers
Get waves - A simple web app to generate svg waves, unique every time
Fluid for Sketch - Sketch plugin to make your responsive designs more efficient
Svg Wave - A tiny, customizable svg wave generators for UI Designs.
Unsplasher - Fill shapes or symbols in Sketch with images from Unsplash 🖼