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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 Mac program: http://audacity.sourceforge.net/download/
Free Windows program: http://audacity.sourceforge.net/download/
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Free Mac program: https://prezi.com/desktop/
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Website: https://prezi.com/
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Free Android Phone app: https://play.google.com/store/apps/details?id=com.google.android.apps.docs
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Free iPad app: https://itunes.apple.com/us/app/google-drive/id507874739?mt=8&uo=4&at=10l6SU
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Website: http://docs.google.com/
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Mozilla Firefox extension: https://addons.mozilla.org/en-US/firefox/addon/evernote-web-clipper/
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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 iPad app: https://itunes.apple.com/us/app/google-earth/id293622097?mt=8&uo=4&at=10l6SU
Free iPhone app: https://itunes.apple.com/us/app/google-earth/id293622097?mt=8&uo=4&at=10l6SU
Free Android Phone app: https://play.google.com/store/apps/details?id=com.google.earth
Free Mac program: http://www.google.com/earth/download/
Free Windows program: http://www.google.com/earth/download/
Google Chrome app: http://www.google.com/earth/explore/products/plugin.html
Mozilla Firefox extension: http://www.google.com/earth/explore/products/plugin.html
Apple Safari extension: http://www.google.com/earth/explore/products/plugin.html
Website: http://books.google.com/
Google Chrome app: https://chrome.google.com/webstore/detail/google-play-books/mmimngoggfoobjdlefbcabngfnmieonb
Website: http://www.nationalgeographic.com/
Website: http://www.oercommons.org/
Website: http://diy.org/
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Website: http://www.ck12.org/
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Free Android Tablet app: https://play.google.com/store/apps/details?id=org.ck12.app.practice
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Free iPad app: https://itunes.apple.com/us/app/ck-12-free-fun-way-to-learn/id909343639?mt=8&at=10l6SU
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Website: https://notebook.zoho.com/
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Free iPad app: http://ax.itunes.apple.com/us/app/flipboard/id358801284?mt=8&uo=4&at=10l6SU
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Free Android Tablet app: https://play.google.com/store/apps/details?id=flipboard.app
Free iPad app: https://itunes.apple.com/us/app/pic-collage/id448639966?mt=8&uo=4&at=10l6SU
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Free Android Phone app: https://play.google.com/store/apps/details?id=com.cardinalblue.piccollage.google
Website: http://issuu.com/
Paid iPad app: https://itunes.apple.com/us/app/book-creator-for-ipad-create/id442378070?mt=8&at=10l6SU
Free iPad app: https://itunes.apple.com/us/app/book-creator-free-make-books/id661166101?mt=8&at=10l6SU
Google Chrome app: https://app.bookcreator.com/sign-in
Website: https://bookcreator.com/
Free Windows program: https://app.bookcreator.com/sign-in
Free Mac program: https://app.bookcreator.com/sign-in
Free Android Phone app: https://play.google.com/store/apps/details?id=com.visionobjects.calculator
Free iPhone app: https://itunes.apple.com/en/app/myscript-calculator/id578979413?mt=8&uo=4&at=10l6SU
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Free iPhone app: https://itunes.apple.com/us/app/pearltrees/id463462134?mt=8&uo=4&at=10l6SU
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Google Chrome app: https://chrome.google.com/webstore/detail/pearltrees/hjcccdngnaailhnoflbeficiokgcfaah
Website: http://www.lessonpaths.com/
Google Chrome app: https://chrome.google.com/webstore/detail/lessonpaths/mabefejikongohcoocpjblkjmghkpelh
Website: http://www.flubaroo.com/