Google for Educators
...you'll find a teacher's guide to 12 Google products, including basic information about each tool, examples of how educators are using them, and lesson ideas. You'll also find lesson plans and videos from our partners at Discovery Education focusing on two of our most popular teaching tools: Google Earth and Google SketchUp.

http://www.google.com/educators/index.html

 

"Open Source" software. What is it and should we be using it? For articles and information on open source software, hardware, and implementation click the link below. For specific applications use the navigation panel to the left.

http://k12opentech.org/index.php?option=com_content&task=section&id=5&Itemid=43

 

Answers.com

Give your students instant access to the reference material they need for papers and research. Add Answers.com to your classroom, media center and home computers to give you and your students free, instant access to reliable facts, definitions and information on over three million topics.

This website includes a variety of Teacher Tools including: lesson plan tools; classroom website; free downloads; citatition posters; education blogs and more.