Web Address: https://getknowt.com/

In their own words: "Our algorithm makes sure learning will never be the same again. First, we take your notes and analyze them using machine learning. On our server, the A.I. determines the best question formats for each sentence. Once it knows the best questions, the algorithm sends it to the web or mobile app for you to take a quiz!"

Web Address: http://www.wordle.net/create

About: "... a toy for generating 'word clouds' from text that you provide. The clouds give greater prominence to words that appear more frequently in the source text. You can tweak your clouds with different fonts, layouts, and color schemes. The images you create with Wordle are yours to use however you like. You can print them out, or save them to your own desktop to use as you wish."

Web Address: https://zapier.com/learn/google-sheets/how-to-use-google-forms/

About: Google forms are a great tool for both educators and learners alike,  This free guide will show you how to get the most out of them.

Web Address: https://www.polleverywhere.com/

About: This lets you ask a question which students can vote on either via text message, twitter or using a web browser.

The free version limits you to 40 votes per poll.