1. Learnist: Check out this board: http://learni.st/category/1838-commoncorestandards.
About Learnist: What is it? It is a social learning site with some great resources: http://appadvice.com/appnn/2012/09/learn-something-new-every-day-with-social-learning-app-learnist
2. Kathy Schrock¹s Guide to Everything: It really is. Check it out! THIS IS AMAZING!!!!
3. Zamzar: Zamzar is a free online file conversion service. It¹s super easy to use and all you have to do is upload your file and enter in an email for the converted file to be sent.