Padlet - Visual boards for organizing anything.

Pingo - Optimize images for the web quickly 🖼️⚡

Popplet - Popplet is the simplest application to capture and organize your idea.

Imakiku - Imakiku is an audience response system for real-time voting, posting comments, and surveying.

Quizalize - Quizalize is a leading web-based and mobile-based classroom application that delivers the best and easiest way to differentiates your teaching.

Blooket - Blooket is an interesting application that provides you with a wide range of features to create activities for class engagement.