BookWidgets - BookWidgets is an excellent application that let you create engaging exercises in minutes and easily share a varied variety of beautiful and fun activities with your classroom and others.
Padlet - Visual boards for organizing anything.
Popplet - Popplet is the simplest application to capture and organize your idea.
Socrative - Socrative helps teachers engage the class with educational activities to measure and visualize...
Seesaw - Seesaw is a Linux Virtual Server (LVS) based load balancing platform.
Quizlet - Quizlet allows you to review and create flashcards for a variety of subjects, such as math and reading.