Sketch Repo - Collection of resources for anyone who uses Sketch
Anima App - Design, get feedback, convert to code, publish, iterate.
Build with Sketch - Free LEGO-like kit for Sketch
Icon Slate - Icon Slate lets you easily compose, import and export desktop icons in many formats.
Git Sketch Plugin - Version control for designers
Merge Duplicate Symbols - Automatically find and act on duplicate symbols in Sketch