Freeware and shareware software relating to Astronomy and Science, for all OS (PC, Mac, Linux, BeOS, Palm), and with a special section devoting to Education.

Simulation package for the amateur or professional observer. [Commercial]

Interactive astronomy curriculum to help teachers inspire and engage astronomy and space science students across all levels of knowledge and ability.

Provides laboratory exercises that illustrate modern astronomical techniques using digital data and color images. They are suitable for high-school and college classes at all levels. Each CLEA laboratory exercise includes a dedicated computer program, a student manual, and a technical guide for the instructor. [Freeware - Windows, Macintosh]

Classroom-oriented software to teach the concepts of planetary motion. [Commercial, demo available - DOS]

Interactive educational Earth and space science software designed to be used by persons with minimal computer skills. Children can easily direct their own learning by running the modules themselves. [Freeware - Win95, Macintosh]

Interactive Java applets display the position, daily and annual path of the sun and the moon, for any time and location. [Online - not available for any PC platforms]

Application to visualize the orbit and synthetic light curve of binary star systems. Includes information about this phenomenon, screenshots of the program, list of features and free download.

Through funding from NASA, faculty at Montana State University and classroom teachers from across the nation have developed an extensive library of on-line and interactive K-12 science education materials for teaching astronomy. [Online, multimedia]

Created at the University of Florida's Astronomy Department, they are free to download as PowerPoint presentations or to view using a web browser or the RealPlayer plugin.

Eight interactive levels covering various aspects of the universe. [Commercial - Windows]