Free Android Phone app: https://play.google.com/store/apps/details?id=com.socrative.teacher
Free iPad app: https://itunes.apple.com/us/app/teacher-clicker-socrative/id477620120?mt=8&uo=4&at=10l6SU
Free iPhone app: https://itunes.apple.com/us/app/teacher-clicker-socrative/id477620120?mt=8&uo=4&at=10l6SU
Website: http://www.socrative.com/
Edmodo app: http://www.edmodo.com/publisher/socrative
Google Chrome app: https://chrome.google.com/webstore/detail/socrative-teacher/ofajgnplnindhnhnconjocimijjifaln?hl=en
Good for self-assessment - students can update their level of understanding during instruction.
Website: http://letsgeddit.com/
Free iPad app: https://itunes.apple.com/us/app/pingpong-smart-clickers-to/id734147693?mt=8&uo=4&at=10l6SU
Free iPhone app: https://itunes.apple.com/us/app/pingpong-smart-clickers-to/id734147693?mt=8&uo=4&at=10l6SU
Free Android Phone app: https://play.google.com/store/apps/details?id=kr.co.waterbear.pingpong
Website: http://www.classbadges.com/
Not available to the public, yet. :( Students generate questions. Students answer questions from those created by the class.
Website: http://suseit.stanford.edu/research/project/smile
Digital sticky notes for younger students - an elementary version of Padlet
Website: http://primarywall.com
Great for math - Students can write/draw on it like paper. Graph paper template installed.
Website: http://theanswerpad.com/
Free iPad app: https://itunes.apple.com/us/app/answer-pad/id978897926?mt=8&uo=4&at=10l6SU
Free iPhone app: https://itunes.apple.com/us/app/answer-pad/id978897926?mt=8&uo=4&at=10l6SU
Free Android Phone app: https://play.google.com/store/apps/details?id=com.theanswerpad.student
Free Android Tablet app: https://play.google.com/store/apps/details?id=com.theanswerpad.student
Website: http://answergarden.ch/
Website: http://padlet.com/
Google Chrome app: https://chrome.google.com/webstore/detail/padlet-wallwisher/ppckapbnfhikdajgehibjapcohbaomhd
Website: https://quizlet.com/
Edmodo app: http://www.edmodo.com/publisher?uid=507204
Free iPhone app: https://itunes.apple.com/us/app/quizlet/id546473125?mt=8&uo=4&at=10l6SU
Google Chrome app: https://chrome.google.com/webstore/detail/quizlet/bgofflgeghkhocbociocnckocbjmomjh
Website: http://www.deanslistsoftware.com/