Jedmo's tools
Free Android Phone app: https://play.google.com/store/apps/details?id=com.fusionprojects.edmodo
Free iPad app: http://itunes.apple.com/us/app/edmodo/id378352300?mt=8&uo=4&at=10l6SU
Free iPhone app: http://itunes.apple.com/us/app/edmodo/id378352300?mt=8&uo=4&at=10l6SU
Website: http://www.edmodo.com/
Google Chrome app: https://chrome.google.com/webstore/detail/edmodo/fpcdidgjjebefhmlhjlgnkahlimgaemc
Website: http://sites.google.com/
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.remind.com/
Free iPad app: http://itunes.apple.com/us/app/remind/id522826277?mt=8&uo=4&at=10l6SU
Free iPhone app: http://itunes.apple.com/us/app/remind/id522826277?mt=8&uo=4&at=10l6SU
Free Android Phone app: https://play.google.com/store/apps/details?id=com.remind101
Google Chrome app: https://chrome.google.com/webstore/detail/jppddpkfhdojffabldnpdacpeoefcljp
Free Android Tablet app: https://play.google.com/store/apps/details?id=com.remind101
Website: http://www.sumdog.com/
Website: http://www.mangahigh.com/