Cybrary Man's Educational Web Sites - Cybraryman has a great site with over 20,000 links to educational resources. The site is organized by Educators, Parents, Students and sub categories. He even has lists of educational hashtags for Twitter. It is an excellent site and I've nominated it for an Edublog Award.
The site has information for parents about parenting, child development, school safety, internet safety and more. There is a student section with resources for homework help, project and research assistance, study skills and test prep and much more. Th educator section has links and resources for lesson plans, subject areas, technology, and more and includes resources on Twitter and Facebook in education.
The site is an incredible resource for all.