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.

AudioNotes - Easily record and share audio messages from your Mac menubar

Padlet - Visual boards for organizing anything.

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

Recordify - Quickly send audio messages to Slack!

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