QR codes for iPhone
Free iPhone app: https://itunes.apple.com/us/app/i-nigma-qr-code-data-matrix/id388923203?mt=8&uo=4&at=10l6SU
Free iPad app: https://itunes.apple.com/us/app/i-nigma-qr-code-data-matrix/id388923203?mt=8&uo=4&at=10l6SU
Free iPhone app: https://itunes.apple.com/us/app/qrafter-qr-code-barcode-reader/id416098700?mt=8&uo=4&at=10l6SU
Free iPad app: https://itunes.apple.com/us/app/qrafter-qr-code-barcode-reader/id416098700?mt=8&uo=4&at=10l6SU
Paid iPhone app: https://itunes.apple.com/us/app/qrafter-pro-qr-code-barcode/id468610525?mt=8&uo=4&at=10l6SU
Paid iPad app: https://itunes.apple.com/us/app/qrafter-pro-qr-code-barcode/id468610525?mt=8&uo=4&at=10l6SU
Google Apps for Education app: https://www.google.com/enterprise/marketplace/viewListing?productListingId=6161+5711044474433790362
Website: https://grockit.com/
Website: http://betterlesson.com/
Website: http://kidblog.org/
Website: http://learnzillion.com/
Website: https://quizslides.com
Website: http://digitwhiz.com/
Free iPad app: http://itunes.apple.com/us/app/digitwhiz-math/id559968556?mt=8&uo=4&at=10l6SU
Free Mac program: http://audacity.sourceforge.net/download/
Free Windows program: http://audacity.sourceforge.net/download/
Website: http://www.joomag.com/
Website: https://www.panoramaed.com/
Website: https://www.classmessenger.com/
Free iPhone app: https://itunes.apple.com/us/app/class-messenger/id599996338?mt=8&uo=4&at=10l6SU
Free Android Phone app: https://play.google.com/store/apps/details?id=com.learnanything.classmessenger
Free iPad app: https://itunes.apple.com/us/app/class-messenger/id599996338?mt=8&uo=4&at=10l6SU
Free Android Tablet app: https://play.google.com/store/apps/details?id=com.learnanything.classmessenger
Website: http://www.doodle.com/
Free iPad app: https://itunes.apple.com/us/app/doodle-schedule-maker/id938182547?mt=8&uo=4&at=10l6SU
Free iPhone app: https://itunes.apple.com/us/app/doodle-schedule-maker/id938182547?mt=8&uo=4&at=10l6SU
Free Android Phone app: https://play.google.com/store/apps/details?id=com.doodle.android
Free Android Tablet app: https://play.google.com/store/apps/details?id=com.doodle.android