This tool is a particularly great due to it's simplicity. It allows students and teachers to create groups and enables those groups to have easy communication with one another. This site can send emails and text messages. It makes group assignments a lot easier.
This site is a very neat tool. It can turn any classroom into an online classroom. It uses the engine "Blackboard" which is used by a lot of Universities across the world!
This site especially cool because it helps break the barrier between students and teachers by using a facebook-Like atmosphere. It allows the students to collaborate with one another as well as take quizzes and do other assignments. Edmodo is also a way for teachers to help each other out. This site is D2L meets facebook, very cool!
Bag The Web is a great resource because it can be used like a serch engine. You can pull up blogs, pictures or articles. It can also be used as a resource to teachers who need curriculum ideas.
This website is a great tool because of it's simplicity. It also allows teachers to look up a variety of subjects. From curriculum ideas to classroom décor, Pinterest will be able to help you out!