Fakebook allows students to create and use a profile that resembles Facebook for educational purposes. Examples would be bringing historical or fictional characters to life.
Create and publish online surveys in minutes, and view results graphically and in real time. SurveyMonkey provides free online questionnaire and survey software.
NSDL.org is an online science library with links to high quality science, technology, engineering, and math resources for K-12 teachers, faculty, librarians, students and informal learners. Funded by the National Science Foundation. Full of wonderful resources.
MakeBeliefsComix.com is an educational comic strip creator from author Bill Zimmerman. Create, print, email and post to Facebook your original comic strips through this site!
http://www.classdojo.com/ Provide students with feedback throughout the day on behavior. They have access to check at home. Parents can also have a log in.