This site provides lesson plans for English/Language Arts teachers of all grade levels. The lesson plans have preview, standard attached to the lesson, resources and preparation, instructional plan, related resources, and a comments sections.
Apangea is an online math resource partially funded by the state of Indiana. It is primarily geared towards high school students taking the Algebra I ECA, but can be used for grades 3-12 with varying content. I use Apangea as part of my math lab.
Excellent interactive planner for scholars in grades 1-5. It defines the steps needed to conduct research in developmentally appropriate concrete and sequential terms.
Messages that you create can be shared by embedding your recording into a blog or website. You can also share messages by posting them to Twitter, Facebook, Posterous, and Tumblr.
I could see this tool enabling a teacher to share a recording of a student reading out loud.