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
Auto-Layout for Sketch - Responsive design for Sketch
Artify.co - Create designs in no time & enjoy our massive assets library
Fluid for Sketch - Sketch plugin to make your responsive designs more efficient