Great post from summer 2014 (tweeted by Sherry Gick). Includes several sites useful for integrating tech and collaborating with teachers (and students) This could also be useful as we work on correlations between Indiana College and Career Ready Standards and our own standards.
This app has multiple tools that you can display on your projected screen, everything from timers, counters, selectors, etc. There are old and new versions. Some people are using some of the backgrounds for their Bitmoji Classroom Scenes