Website: http://www.instagrok.com/
Free iPad app: https://itunes.apple.com/us/app/instagrok/id777873941?mt=8&uo=4&at=10l6SU
Google Apps for Education app: https://www.google.com/enterprise/marketplace/viewListing?productListingId=17789+13349884249762973052
Google Chrome app: https://chrome.google.com/webstore/detail/instagrok/flonaffkffjppejcafgpdgilebfikemd
Edmodo app: http://www.edmodo.com/publisher?uid=7493337
Website: https://www.colwiz.com/home
Free Mac program: https://www.colwiz.com/download
Free Windows program: https://www.colwiz.com/download
Free Android Phone app: https://play.google.com/store/apps/details?id=com.colwiz.lib
Free iPhone app: https://itunes.apple.com/us/app/colwiz/id489512298?mt=8&uo=4&at=10l6SU
Free iPad app: https://itunes.apple.com/us/app/colwiz/id489512298?mt=8&uo=4&at=10l6SU
Website: http://docsteach.org/
Free iPad app: https://itunes.apple.com/us/app/national-archives-docsteach/id513465174?mt=8&uo=4&at=10l6SU
Website: http://www.boolify.org/
Website: http://scrible.com/
Google Chrome app: https://chrome.google.com/webstore/detail/scrible-toolbar/lijhjhlnfifgoabbihoobnfapogkcjgk
Paid iPad app: https://itunes.apple.com/us/app/surfmark/id796330612?mt=8&uo=4&at=10l6SU
Google Chrome app: https://chrome.google.com/webstore/detail/surfmark-extension/mdaghgnbbnjidfeglliohobbieahaiii
Website: http://dp.la/