Michael Ritter's favorite tools.
Free Mac program: http://audacity.sourceforge.net/download/
Free Windows program: http://audacity.sourceforge.net/download/
Website: https://twitter.com/
Free iPad app: https://itunes.apple.com/us/app/id333903271?mt=8&at=10l6SU
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 iPad app: http://itunes.apple.com/us/app/itunes-u/id490217893?ls=1&mt=8&uo=4&at=10l6SU
Free iPhone app: http://itunes.apple.com/us/app/itunes-u/id490217893?ls=1&mt=8&uo=4&at=10l6SU
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/
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/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://www.nationalgeographic.com/