Brusher - Tiny library to add interactive backgrounds to webpages
Sketch Mirror - Preview your iOS designs directly on your devices
Webflow Interactions - Design and build web animations and interactions
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.
Spott - API to work with cities, countries and political divisions.
Flowkit - Sketch library for user flows/content maps/annotations