SketchTool - Export pages & slices out of .sketch docs using CLI
Fonts In Use - Type in the real world: an amazing archive of typography.
Select Similar Layers - Sketch plugin to select layers with the same attributes
Typewolf - Typewolf helps designers choose the perfect font combination for their next design project—features web fonts in the wild, font recommendations and learning resources.
Base UI Sketch Framework - Huge set of everything you need to design and prototype
Google Fonts - Making the web more beautiful, fast, and open through great typography