Alice.org - Educational software that teaches students programming in a 3D environment. Created by Carnegie Mellon and it's free.
Arcademic Skill Builders - Games that build skills in addition, subtraction, multiplication, division, integers, decimals, money, fractions, time, geography, language arts and typing.
BrainPOP - This is BrainPOP's teacher resources page to help get started and make integration into your classroom as easy as possible. Also, register with BrainPOP Educators and receive free lesson plans, graphic organizers, video tutorials, professional development tools and more!
Gapminder- The goal is to replace myth with a fact-based world view. The method is to make data easy to understand. They are dedicated to innovation and spreading new methods to make global development understandable, free of charge, without advertising for teachers and journalists. Search for the data needed and then click on the icon under "Visualize". Lastly, click the play button and watch the world statistics change!
GiggleIt - Designed to help children around the world improve their English language literacy skills, the GiggleIT Project encourages students ages 10-14 to contribute their writings to an online book (eBook) celebrating stories and humour from their culture.
International Children's Digital Library - The mission of the International Children's Digital Library Foundation (ICDL Foundation) is to support the world's children in becoming effective members of the global community - who exhibit tolerance and respect for diverse cultures, languages and ideas -- by making the best in children's literature available online free of charge.
The Khan Academy- A website with a library of over 2,400 videos covering everything from arithmetic to physics, finance, and history and 150 practice exercises, this website has a mission to help all learners at all levels.
The Khan Academy from Ted - using The Khan Academy to help students with math. This video is eye-opening and may make you think differently about teaching math in the classroom.
NEO K-12 - Educational videos, games and lesson plans for K-12 students.