These apps help me get a lesson prepped and ready to teach.
Google Apps for Education app: https://www.google.com/enterprise/marketplace/viewListing?productListingId=6528+15556554624571304041
Website: http://planbook.com/
Website: https://www.slideshark.com/
Free iPad app: http://itunes.apple.com/us/app/slideshark-view-share-presentations/id471369684?mt=8&uo=4&at=10l6SU
Free iPhone app: http://itunes.apple.com/us/app/slideshark-view-share-presentations/id471369684?mt=8&uo=4&at=10l6SU
Website: http://www.youtube.com/teachers
Website: http://www.youtube.com/schools
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/