netTrekker
netTrekker: District supported (license purchase by district) online serach tool for students and teachers. Fee base: http://school.nettrekker.com

 

smart
SMART Exchange: Online community network and resource center for Smart Notebook users. Exchange idease and files with other educators: http://exchange.smarttech.com/

 

thinkfinity
Thinkfinity: Free one stop shop for educational resources. Includes lesson plans, maps, worksheets, interactive tools, and reference materials: http://www.thinkfinity.org/home.aspx