Sketch 42 - Now with export presets, touch bar integration, and more
Anima App - Design, get feedback, convert to code, publish, iterate.
Sketch Repo - Collection of resources for anyone who uses Sketch
Git Sketch Plugin - Version control for designers
Artify.co - Create designs in no time & enjoy our massive assets library
Figma - Team-based interface design, Figma lets you collaborate on designs in real time.