Git Sketch Plugin - Version control for designers
Sketch Mirror - Preview your iOS designs directly on your devices
Select Similar Layers - Sketch plugin to select layers with the same attributes
Flowkit - Sketch library for user flows/content maps/annotations
Floverview - Hybrid mapping for flow overviews
Figma Mirror - Figma Mirror is an application that covers top trending designing or sketching ideas making your teamwork in a single environment and design better products from start to finish.