These are apps I am currently checking out.
Website: http://www.thinglink.com/
Free iPad app: https://itunes.apple.com/us/app/thinglink/id647304300?mt=8&uo=4&at=10l6SU
Free iPhone app: https://itunes.apple.com/us/app/thinglink/id647304300?mt=8&uo=4&at=10l6SU
Website: https://www.classmessenger.com/
Free iPhone app: https://itunes.apple.com/us/app/class-messenger/id599996338?mt=8&uo=4&at=10l6SU
Free Android Phone app: https://play.google.com/store/apps/details?id=com.learnanything.classmessenger
Free iPad app: https://itunes.apple.com/us/app/class-messenger/id599996338?mt=8&uo=4&at=10l6SU
Free Android Tablet app: https://play.google.com/store/apps/details?id=com.learnanything.classmessenger
Free iPad app: https://itunes.apple.com/us/app/levelbook-lite-running-record/id696136008?mt=8&uo=4&at=10l6SU
Paid iPad app: https://itunes.apple.com/us/app/levelbook-running-record-stopwatch/id676258541?mt=8&uo=4&at=10l6SU
Free iPhone app: https://itunes.apple.com/us/app/levelbook-lite-running-record/id696136008?mt=8&uo=4&at=10l6SU
Paid iPhone app: https://itunes.apple.com/us/app/levelbook-running-record-stopwatch/id676258541?mt=8&uo=4&at=10l6SU
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
Website: http://kidblog.org/
Website: https://www.google.com/apps/edu/
Website: https://www.bbc.co.uk/bitesize
Free iPad app: https://itunes.apple.com/us/app/haiku-deck/id536328724?mt=8&uo=4&at=10l6SU
Website: http://www.haikudeck.com/
Free iPad app: https://itunes.apple.com/us/app/icdl-free-books-for-children/id363731638?mt=8&uo=4&at=10l6SU
Website: http://www.childrenslibrary.org/