Free Android Phone app: https://play.google.com/store/apps/details?id=com.dropbox.android
Google Chrome app: https://chrome.google.com/webstore/detail/ioekoebejdcmnlefjiknokhhafglcjdl
Free iPad app: http://itunes.apple.com/us/app/dropbox/id327630330?mt=8&uo=4&at=10l6SU
Free iPhone app: http://itunes.apple.com/us/app/dropbox/id327630330?mt=8&uo=4&at=10l6SU
Free Mac program: https://www.dropbox.com/downloading?os=mac
Free Windows program: https://www.dropbox.com/downloading?os=win
Website: https://db.tt/dUahryRn
Free Android Phone app: https://play.google.com/store/apps/details?id=com.google.android.apps.docs
Google Chrome app: https://chrome.google.com/webstore/detail/google-drive/apdfllckaahabafndbhieahigkjlhalf
Free iPad app: https://itunes.apple.com/us/app/google-drive/id507874739?mt=8&uo=4&at=10l6SU
Free iPhone app: https://itunes.apple.com/us/app/google-drive/id507874739?mt=8&uo=4&at=10l6SU
Website: http://docs.google.com/
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
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
Free Mac program: https://prezi.com/desktop/
Free Windows program: https://prezi.com/desktop/
Website: https://prezi.com/
Google Chrome app: https://chrome.google.com/webstore/detail/prezi/acoonfmhnndodekhecidldfdjgooefpg
Website: http://www.youtube.com/teachers
Website: https://twitter.com/
Free iPad app: https://itunes.apple.com/us/app/id333903271?mt=8&at=10l6SU
Free iPhone app: https://itunes.apple.com/us/app/id333903271?mt=8&at=10l6SU
Free Android Phone app: https://play.google.com/store/apps/details?id=com.twitter.android
Free Android Tablet app: https://play.google.com/store/apps/details?id=com.twitter.android
Free Mac program: https://itunes.apple.com/us/app/twitter/id409789998?mt=12&uo=4&at=10l6SU
Free iPad app: http://itunes.apple.com/us/app/itunes-u/id490217893?ls=1&mt=8&uo=4&at=10l6SU
Free iPhone app: http://itunes.apple.com/us/app/itunes-u/id490217893?ls=1&mt=8&uo=4&at=10l6SU
Paid Mac program: http://www.amazon.com/gp/product/B003YCOJBM/ref=as_li_ss_tl?ie=UTF8&camp=1789&creative=390957&creativeASIN=B003YCOJBM&linkCode=as2&tag=edshelf-20
Paid Windows program: http://www.amazon.com/gp/product/B005O24G9K/ref=as_li_ss_tl?ie=UTF8&camp=1789&creative=390957&creativeASIN=B005O24G9K&linkCode=as2&tag=edshelf-20
Free Android Phone app: https://play.google.com/store/apps/details?id=com.google.android.apps.blogger
Free iPhone app: https://itunes.apple.com/us/app/blogger/id459407288?mt=8&uo=4&at=10l6SU
Website: http://www.blogger.com
Free Android Phone app: https://play.google.com/store/apps/details?id=com.facebook.katana
Google Chrome app: https://chrome.google.com/webstore/detail/facebook-notifications/nmameahlembdcigphohgiodcgjomcgeo
Mozilla Firefox extension: https://addons.mozilla.org/en-US/firefox/addon/facebook-toolbar/
Free iPad app: https://itunes.apple.com/us/app/facebook/id284882215?mt=8&uo=4&at=10l6SU
Free iPhone app: https://itunes.apple.com/us/app/facebook/id284882215?mt=8&uo=4&at=10l6SU
Website: http://www.facebook.com/
Free Android Phone app: https://play.google.com/store/apps/details?id=com.pinterest
Free iPad app: https://itunes.apple.com/us/app/pinterest/id429047995?mt=8&uo=4&at=10l6SU
Free iPhone app: https://itunes.apple.com/us/app/pinterest/id429047995?mt=8&uo=4&at=10l6SU
Website: http://pinterest.com/
Website: http://screencast-o-matic.com/
Free Android Phone app: https://play.google.com/store/apps/details?id=flipboard.app
Free iPad app: http://ax.itunes.apple.com/us/app/flipboard/id358801284?mt=8&uo=4&at=10l6SU
Free iPhone app: http://ax.itunes.apple.com/us/app/flipboard/id358801284?mt=8&uo=4&at=10l6SU
Free Android Tablet app: https://play.google.com/store/apps/details?id=flipboard.app
Free iPhone app: https://itunes.apple.com/us/app/scoop.it/id487321972?mt=8&uo=4&at=10l6SU
Website: http://www.scoop.it/
Website: http://ifttt.com/
Free Android Phone app: https://play.google.com/store/apps/details?id=de.gavitec.android
Free iPad app: http://itunes.apple.com/us/app/neoreader-qr-reader-barcode/id284973754?mt=8&uo=4&at=10l6SU
Free iPhone app: http://itunes.apple.com/us/app/neoreader-qr-reader-barcode/id284973754?mt=8&uo=4&at=10l6SU