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
Free iPad app: https://itunes.apple.com/us/app/cloudmagic-email-twitter-search/id483370844?mt=8&uo=4&at=10l6SU
Free iPhone app: https://itunes.apple.com/us/app/cloudmagic-email-twitter-search/id483370844?mt=8&uo=4&at=10l6SU
Free Android Phone app: https://play.google.com/store/apps/details?id=com.cloudmagic.android
Google Chrome app: https://chrome.google.com/webstore/detail/cloudmagic/eeabeiioncmgphlgcgnmhjahjjmimkmp
Mozilla Firefox extension: https://addons.mozilla.org/en-US/firefox/addon/cloudmagic/
Apple Safari extension: https://cloudmagic.com/k/downloads/safari
Free Windows program: http://apps.microsoft.com/windows/en-US/app/cloudmagic/015936cb-50ff-47d4-961b-8e63850ec122
Website: http://duckduckgo.com/
Google Chrome app: https://chrome.google.com/webstore/detail/duckduckgo-home-page/ljkalbbbffedallekgkdheknngopfhif
Free iPad app: https://itunes.apple.com/us/app/duckduckgo-privacy-browser/id663592361?mt=8&at=10l6SU
Free iPhone app: https://itunes.apple.com/us/app/duckduckgo-privacy-browser/id663592361?mt=8&at=10l6SU
Free Android Phone app: https://play.google.com/store/apps/details?id=com.duckduckgo.mobile.android
Free Android Tablet app: https://play.google.com/store/apps/details?id=com.duckduckgo.mobile.android