Interactive dictionary of math and science terms. The creator is based in Australia, so some of the terms are spelled differently (e.g. "litre" for "liter").

"HippoCampus is a project of the Monterey Institute for Technology and Education (MITE). The goal of HippoCampus is to provide high-quality, multimedia content on general education subjects to high school and college students free of charge."

Free audio books in the public domain. "LibriVox volunteers record chapters of books in the public domain and release the audio files back onto the net. Our goal is to make all public domain books available as free audio books."

Free Audio Books from the public domain.

"Using Blooms Taxonomy in education is a highly effective way to scaffold learning for the students. With the recent popularity and pervasive nature of iOS devices in school districts it is essential for educators to understand how to implement Blooms in the classroom using the apps that are available. While this list is by no means fully comprehensive, it will assist educators in getting started when implementing iOS devices in the classroom. "

Listen to audio books for free and download premium audio books for a small fee.

Designed in partnership with Stanford's Graduate School of Education and Zeum: San Francisco's Children's Museum, Toontastic inspires the artist and writer in every child while teaching key storytelling principles that help to promote Creativity at a young age.

Create Flash-like animations using community art or your own.

Safe and simple blogs for your students.

An interactive, multimedia representation of different search topics organized and summarized from the web.

Collection of interactive and mostly self-guided lessons on a variety of topics, including Amusement Park Physics, Elements of a Story, The Periodic Table, and The Middle Ages.

Free online creation tools, including an image editor, music creator, audio editor, image markup, and screen capture.