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Reviews and free software downloads for Windows, Mac, Palm, Pocket PC, and Mobile Phones. The best programs and games. Buy software directly online.

SourceForge.net. Fast, secure and free downloads from the largest Open Source applications and software directory

ChemSketch, free download. ChemSketch 11.0: Draw molecular structures for teaching.

Support for high school science courses, including chemistry, AP Chemistry, biology and physics. ScienceGeek.net is the website of Andy Allan, science instructor at El Diamante High School in Visalia, CA.

Your Partner in Chemistry Software for Analytical and Chemical Knowledge Management, Chemical Nomenclature, and In-Silico PhysChem and ADME-Tox

ChemAxon is a company for software development. Programs, Java applets and other Java tools for chemistry, client-server applications, chemical databases.

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Mestrelab develops Mnova (former MestReC); a NMR and Mass Spectroscopy (LC/GC/MS) processing and analysis software suite for chemists and educators

High school teachers and students can download several science and computer programs directly from our Web site. These programs include dozens of activities in high school physics, physical science, chemistry, and computer science. Another physics pr...

The home page of the United States Protection Agency, www.epa.gov.