Apps that I have found helpful in my ESL workshops.
Website: http://www.wordle.net/
Website: http://www.easybib.com/
Free iPhone app: http://itunes.apple.com/us/app/easybib/id436768184?mt=8&uo=4&at=10l6SU
Free Android Phone app: https://play.google.com/store/apps/details?id=com.easybib.easybibandroid
Google Apps for Education app: https://www.google.com/enterprise/marketplace/viewListing?productListingId=6357+7423325443125160988
Google Chrome app: https://chrome.google.com/webstore/detail/cbpiiblghhnlalifiaddecedaeaijdpe
Website: http://www.livebinders.com/
Free Android Phone app: https://play.google.com/store/apps/details?id=com.zite
Free iPad app: http://itunes.apple.com/us/app/zite/id419752338?mt=8&ls=1&uo=4&at=10l6SU
Free iPhone app: http://itunes.apple.com/us/app/zite/id419752338?mt=8&ls=1&uo=4&at=10l6SU
Website: http://freerice.com/
Website: http://www.starfall.com/
Website: http://kidblog.org/
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.spellingcity.com/
Edmodo app: http://www.edmodo.com/publisher/vocabularyspellingcity
Free iPhone app: https://itunes.apple.com/us/app/spellingcity/id538407602?mt=8&uo=4&at=10l6SU
Free iPad app: https://itunes.apple.com/us/app/spellingcity/id538407602?mt=8&uo=4&at=10l6SU
Paid iPad app: http://itunes.apple.com/us/app/popplet/id374151636?mt=8&uo=4&at=10l6SU
Paid iPhone app: http://itunes.apple.com/us/app/popplet/id374151636?mt=8&uo=4&at=10l6SU
Website: http://popplet.com/
Website: https://edu.critiqueit.com/