This is awesome. Thank you for sharing. I could definitely use the sites here. One I'm intrigued by is the Book Creator and the Meme generator! Both can definitely be used to spice up writing classes.
Extremely thorough overview of problems and solutions to keeping online students engaged, with copious references and resources for further exploration.
I used this to create a set of flashcards to share among peers. You can access from the web browser, mobile device, and computer or laptop. You can set goals to cover 20 flashcards per day and flag the confidence level.