Chart.js - Easy, object oriented client side graphs for designers and developers.
Figma - Team-based interface design, Figma lets you collaborate on designs in real time.
Hypi - Hypi is a no-code and low-code web and mobile app development platform that allows developers, designers and entrepreneurs to build a serverless application quickly.
Sketch - Professional digital design for Mac.
Polybit - Backend APIs as a service
Invision - Prototyping and collaboration for design teams