Frames for Sketch - Create awesome websites & apps using powerful design system
Handoff by Marvel - Automatically turn designs into assets, specs and code
Sketch Repo - Collection of resources for anyone who uses Sketch
Sketch Confetti - Generate gorgeous confetti patterns in 1 click.
PSD to Sketch Design Converter - Convert a Photoshop design to a layered Sketch file for free
Symbols for Sketch - A set of templates to make an icon font with Sketch (gulp)