Figma - Team-based interface design, Figma lets you collaborate on designs in real time.
Padlet - Visual boards for organizing anything.
Invision - Prototyping and collaboration for design teams
Quizalize - Quizalize is a leading web-based and mobile-based classroom application that delivers the best and easiest way to differentiates your teaching.
Sketch - Professional digital design for Mac.
Popplet - Popplet is the simplest application to capture and organize your idea.