Google Fonts - Making the web more beautiful, fast, and open through great typography
SketchTool - Export pages & slices out of .sketch docs using CLI
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.
Select Similar Layers - Sketch plugin to select layers with the same attributes
Font Generator - Tons of font ideas in one click
Base UI Sketch Framework - Huge set of everything you need to design and prototype