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.

Snapchat - Real-time picture chatting

Socrative - Socrative helps teachers engage the class with educational activities to measure and visualize...

X (Twitter) - Connect with your friends and other fascinating people. Get in-the-moment updates on the things that interest you. And watch events unfold, in real time, from every angle.

Quizlet - Quizlet allows you to review and create flashcards for a variety of subjects, such as math and reading.