Sketch Tricks - Articles for Sketch
Sketch 101 by Designlab - Learn Sketch in this free course w/ downloadable templates
The Good Workshop - TGW helps experts plan, run, and track UX, CX, Product and innovation workshops, fully automated and straightforward user experience.
The Design Thinking Workshop Kit - A free digital and print kit to help run your own workshop
Git Sketch Plugin - Version control for designers
Nora - A Notion template that actually solves painful problems of project management in Notion instead of looking beautiful.