Anima App - Design, get feedback, convert to code, publish, iterate.
Glympse - Glympse is the easy way to safely share your location in realtime. No sign-up needed.
Sketch Repo - Collection of resources for anyone who uses Sketch
Zenly - Zenly is a GPS tracker to locate your friends in realtime.
Git Sketch Plugin - Version control for designers
OwnTracks - Cross-platform location sharing