OMBEA - Use OMBEA® tools to measure, analyze and act on customer, employee and student feedback.
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.
Poll Everywhere - Audience response system that uses mobile phones, twitter, and the web. Responses are displayed in real-time on gorgeous charts in PowerPoint, Keynote, or web browser.
Padlet - Visual boards for organizing anything.
Sli.do - Slido is the ultimate Q&A and polling platform for live and virtual meetings and events. It offers interactive Q&A, live polls and insights about your audience.
Quizlet - Quizlet allows you to review and create flashcards for a variety of subjects, such as math and reading.