The Essential List of Introductory K-12 iPad Apps for Educators. An excellent resource list of apps to begin integrating the iPad and 21st Century Technology into the classroom.
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.evernote
Google Chrome app: https://chrome.google.com/webstore/detail/pioclpoplcdbaefihamjohnefbikjilc
Mozilla Firefox extension: https://addons.mozilla.org/en-US/firefox/addon/evernote-web-clipper/
Free iPad app: http://itunes.apple.com/us/app/evernote/id281796108?mt=8&uo=4&at=10l6SU
Free iPhone app: http://itunes.apple.com/us/app/evernote/id281796108?mt=8&uo=4&at=10l6SU
Free Mac program: http://itunes.apple.com/us/app/evernote/id406056744?mt=12&uo=4&at=10l6SU
Apple Safari extension: http://evernote.com/download/get.php?file=SafariExtension
Free Windows program: http://evernote.com/download/get.php?file=Win
Website: http://www.evernote.com/
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
Website: http://www.khanacademy.org/
Free iPad app: https://itunes.apple.com/us/app/id469863705?mt=8&at=10l6SU
Free iPhone app: https://itunes.apple.com/us/app/id469863705?mt=8&at=10l6SU
Free Android Phone app: https://play.google.com/store/apps/details?id=org.khanacademy.android
Free Android Tablet app: https://play.google.com/store/apps/details?id=org.khanacademy.android
Edmodo app: https://spotlight.edmodo.com/product/khan-academy,324527/
Free iPad app: https://itunes.apple.com/us/app/educreations-interactive-whiteboard/id478617061?mt=8&at=10l6SU
Free iPad app: https://itunes.apple.com/us/app/ibooks/id364709193?mt=8&at=10l6SU
Free iPhone app: https://itunes.apple.com/us/app/ibooks/id364709193?mt=8&at=10l6SU
Free Android Phone app: https://play.google.com/store/apps/details?id=com.ideashower.readitlater.pro
Google Chrome app: https://chrome.google.com/webstore/detail/pocket-formerly-read-it-l/niloccemoadcdkdjlinkgdfekeahmflj
Mozilla Firefox extension: https://addons.mozilla.org/en-US/firefox/addon/read-it-later/
Free iPad app: http://itunes.apple.com/us/app/pocket-formerly-read-it-later/id309601447?mt=8&uo=4&at=10l6SU
Free iPhone app: http://itunes.apple.com/us/app/pocket-formerly-read-it-later/id309601447?mt=8&uo=4&at=10l6SU
Apple Safari extension: http://getpocket.com/safari/
Website: http://getpocket.com/
Free Android Tablet app: https://play.google.com/store/apps/details?id=com.ideashower.readitlater.pro
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://drive.google.com/
Free Android Tablet app: https://play.google.com/store/apps/details?id=com.google.android.apps.docs
Free Mac program: https://www.google.com/drive/download/
Free Windows program: https://www.google.com/drive/download/
Free iPhone app: https://itunes.apple.com/us/app/chrome/id535886823?mt=8&uo=4&at=10l6SU
Free iPad app: https://itunes.apple.com/us/app/chrome/id535886823?mt=8&uo=4&at=10l6SU
Free Mac program: http://www.google.com/chrome/
Free Windows program: http://www.google.com/chrome/
Free Android Phone app: https://play.google.com/store/apps/details?id=com.android.chrome
Website: https://docs.google.com/presentation/
Google Chrome app: https://chrome.google.com/webstore/detail/google-slides/aapocclcgogkmnckokdopfmhonfmgoek
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
Paid iPad app: https://itunes.apple.com/us/app/notability-take-notes-annotate/id360593530?mt=8&uo=4&at=10l6SU
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 Android Phone app: https://play.google.com/store/apps/details?id=com.zite
Free iPad app: http://itunes.apple.com/us/app/zite/id419752338?mt=8&ls=1&uo=4&at=10l6SU
Free iPhone app: http://itunes.apple.com/us/app/zite/id419752338?mt=8&ls=1&uo=4&at=10l6SU
Free iPhone app: https://itunes.apple.com/us/app/youtube-capture/id576941441?mt=8&uo=4&at=10l6SU
Free iPad app: https://itunes.apple.com/us/app/youtube-capture/id576941441?mt=8&uo=4&at=10l6SU
Website: http://thesaurus.com/
Google Chrome app: https://chrome.google.com/webstore/detail/thesauruscom-synonyms-and/clljlcapeomdokpgadmegpabakieebci
Free Android Phone app: https://play.google.com/store/apps/details?id=com.google.android.gm
Google Chrome app: https://chrome.google.com/webstore/detail/gmail/pjkljhegncpnkpknbcohdijeoejaedia
Free iPad app: https://itunes.apple.com/us/app/gmail/id422689480?mt=8&uo=4&at=10l6SU
Free iPhone app: https://itunes.apple.com/us/app/gmail/id422689480?mt=8&uo=4&at=10l6SU
Website: http://mail.google.com/
Free iPad app: https://itunes.apple.com/us/app/id603258418?mt=8&at=10l6SU
Website: http://www.thinglink.com/
Free iPad app: https://itunes.apple.com/us/app/thinglink/id647304300?mt=8&uo=4&at=10l6SU
Free iPhone app: https://itunes.apple.com/us/app/thinglink/id647304300?mt=8&uo=4&at=10l6SU
Free iPad app: http://itunes.apple.com/us/app/screenchomp/id442415881?mt=8&uo=4&at=10l6SU
Free iPad app: https://itunes.apple.com/us/app/ask3/id572042047?mt=8&uo=4&at=10l6SU
Free iPad app: https://itunes.apple.com/us/app/haiku-deck/id536328724?mt=8&uo=4&at=10l6SU
Website: http://www.haikudeck.com/
Free iPad app: https://itunes.apple.com/us/app/qr-reader-for-ipad/id426170776?mt=8&uo=4&at=10l6SU
Free iPad app: https://itunes.apple.com/us/app/tellagami/id572737805?mt=8&uo=4&at=10l6SU
Free iPhone app: https://itunes.apple.com/us/app/tellagami/id572737805?mt=8&uo=4&at=10l6SU
Paid iPad app: https://itunes.apple.com/us/app/id431493086?mt=8&at=10l6SU
Paid iPhone app: https://itunes.apple.com/us/app/id431493086?mt=8&at=10l6SU
Free Android Phone app: https://play.google.com/store/apps/details?id=com.explaineverything.explaineverything
Free Android Tablet app: https://play.google.com/store/apps/details?id=com.explaineverything.explaineverything
Google Chrome app: https://chrome.google.com/webstore/detail/explain-everything/abgfnbfplmdnhfnonljpllnfcobfebag
Website: http://www.google.com/google-d-s/forms/
Google Chrome app: https://chrome.google.com/webstore/detail/google-forms/jhknlonaankphkkbnmjdlpehkinifeeg
Free iPhone app: https://itunes.apple.com/us/app/scoop.it/id487321972?mt=8&uo=4&at=10l6SU
Website: http://www.scoop.it/
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/