Website: https://grockit.com/answers
Website: http://thesaurus.com/
Google Chrome app: https://chrome.google.com/webstore/detail/thesauruscom-synonyms-and/clljlcapeomdokpgadmegpabakieebci
Website: http://www.edutecher.net/
Free iPad app: https://itunes.apple.com/us/app/edutecher-backpack/id443818652?mt=8&uo=4&at=10l6SU
Free iPhone app: https://itunes.apple.com/us/app/edutecher-backpack/id443818652?mt=8&uo=4&at=10l6SU
Free Android Phone app: https://play.google.com/store/apps/details?id=com.eduTecher.eduTecherBackpack
Website: http://worldbookonline.com/
Website: http://www.visualthesaurus.com/
Free iPad app: http://itunes.apple.com/us/app/destiny-quest/id472689459?mt=8&uo=4&at=10l6SU
Free iPhone app: http://itunes.apple.com/us/app/destiny-quest/id472689459?mt=8&uo=4&at=10l6SU
Free iPad app: http://itunes.apple.com/us/app/yalsas-teen-book-finder/id527674308?mt=8&uo=4&at=10l6SU
Free iPhone app: http://itunes.apple.com/us/app/yalsas-teen-book-finder/id527674308?mt=8&uo=4&at=10l6SU
Website: https://code.google.com/p/course-builder/
Website: http://www.gooru.org/
Free iPad app: https://itunes.apple.com/us/app/gooru-collections/id576044892?ls=1&mt=8&uo=4&at=10l6SU
Google Apps for Education app: https://www.google.com/enterprise/marketplace/viewListing?productListingId=13045+661590233363337669
Paid iPad app: https://itunes.apple.com/us/app/papers/id304655618?mt=8&uo=4&at=10l6SU
Paid iPhone app: https://itunes.apple.com/us/app/papers/id304655618?mt=8&uo=4&at=10l6SU
Paid Mac program: http://www.mekentosj.com/papers/mac
Paid Windows program: http://www.mekentosj.com/papers/win
Paid iPad app: https://itunes.apple.com/us/app/id584413429?mt=8&at=10l6SU
Paid iPhone app: https://itunes.apple.com/us/app/id584413429?mt=8&at=10l6SU
Paid Android Phone app: https://play.google.com/store/apps/details?id=com.ktlmobileapps.levelitbooks
Paid Android Tablet app: https://play.google.com/store/apps/details?id=com.ktlmobileapps.levelitbooks
Website: https://www.boundless.com/
Free iPad app: https://itunes.apple.com/us/app/boundless-textbooks/id661340407?mt=8&uo=4&at=10l6SU
Free iPhone app: https://itunes.apple.com/us/app/boundless-textbooks/id661340407?mt=8&uo=4&at=10l6SU
Website: http://go.infohio.org/
Website: http://www.reference.com/
Google Chrome app: https://chrome.google.com/webstore/detail/referencecom/ooffafbjcjgjinobbfdgkefebeiodngk
Website: http://www.edutrek.com/
Website: http://kids.yahoo.com/reference/encyclopedia
Website: http://scholar.google.com/
Website: http://bartleby.com/
Free iPad app: http://itunes.apple.com/us/app/accessmylibrary-school-edition/id371676736?mt=8&uo=4&at=10l6SU
Free iPhone app: http://itunes.apple.com/us/app/accessmylibrary-school-edition/id371676736?mt=8&uo=4&at=10l6SU
Free Android Phone app: https://play.google.com/store/apps/details?id=com.cengage.mobile.amlschooledition.android
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.goodreads.com/
Free Android Phone app: https://play.google.com/store/apps/details?id=com.goodreads
Website: http://dp.la/
Website: https://beenpod.com/
Google Chrome app: https://chrome.google.com/webstore/detail/been/knekbkhffeelkbilpcdpgbdpeandanfj
Mozilla Firefox extension: https://beenpod.com/post-download-the-extension/Firefox
Apple Safari extension: https://beenpod.com/post-download-the-extension/Safari