Website: https://www.google.com/
Free iPad app: https://itunes.apple.com/us/app/google-search/id284815942?mt=8&uo=4&at=10l6SU
Free iPhone app: https://itunes.apple.com/us/app/google-search/id284815942?mt=8&uo=4&at=10l6SU
Free Android Phone app: https://play.google.com/store/apps/details?id=com.google.android.googlequicksearchbox
Google Chrome app: https://chrome.google.com/webstore/detail/google-search/coobgpohoikkiipiblmjeljniedjpjpf
Free Android Phone app: https://play.google.com/store/apps/details?id=com.google.android.apps.map
Website: http://maps.google.com
Google Chrome app: https://chrome.google.com/webstore/detail/google-maps/lneaknkopdijkpnocmklfnjbeapigfbh
Paid iPad app: https://itunes.apple.com/app/wolframalpha/id334989259?mt=8&uo=4&at=10l6SU
Paid iPhone app: https://itunes.apple.com/app/wolframalpha/id334989259?mt=8&uo=4&at=10l6SU
Paid Android Phone app: https://play.google.com/store/apps/details?id=com.wolfram.android.alpha
Paid Android Tablet app: https://play.google.com/store/apps/details?id=com.wolfram.android.alpha
Website: http://www.bing.com/
Free iPhone app: https://itunes.apple.com/us/app/bing/id345323231?mt=8&uo=4&at=10l6SU
Free Android Phone app: https://play.google.com/store/apps/details?id=com.microsoft.bing
Website: http://www.sweetsearch.com/
Google Chrome app: https://chrome.google.com/webstore/detail/diigo-bookmark-archive-hi/oojbgadfejifecebmdnhhkbhdjaphole
Mozilla Firefox extension: https://addons.mozilla.org/en-US/firefox/addon/diigo-web-highlighter-and-stic/
Free iPad app: https://itunes.apple.com/us/app/diigo/id417202559?mt=8&uo=4&at=10l6SU
Free iPhone app: https://itunes.apple.com/us/app/diigo-offline-reader/id335006600?mt=8&uo=4&at=10l6SU
Website: http://www.diigo.com/
Website: http://www.zotero.org/
Paid Mac program: http://www.zotero.org/
Paid Windows program: http://www.zotero.org/
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://www.stumbleupon.com/
Free iPad app: https://itunes.apple.com/us/app/stumbleupon!/id386244833?mt=8&uo=4&at=10l6SU
Free iPhone app: https://itunes.apple.com/us/app/stumbleupon!/id386244833?mt=8&uo=4&at=10l6SU
Free Android Phone app: https://play.google.com/store/apps/details?id=com.stumbleupon.android.app
Google Chrome app: https://chrome.google.com/webstore/detail/stumbleupon/kcahibnffhnnjcedflmchmokndkjnhpg
Mozilla Firefox extension: https://addons.mozilla.org/en-US/firefox/addon/stumbleupon/
Website: http://www.goodsearch.com/
Website: http://search.creativecommons.org/
Website: http://scholar.google.com/
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
Website: http://www.bounceapp.com/
Website: http://www.boolify.org/
Website: https://www.google.com/cse/
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: 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