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LinuxQuestions.org offers a free Linux forum where Linux newbies can ask questions and Linux experts can offer advice. Topics include security, installation, networking and much more.

Scientific physics forums for professionals and students to discuss serious issues and topics regarding physics in theory, practice, study and reality. Students can also find help for homework and career perspectives

The most up-to-date linux software (over 300) for chemistry including molecular modeling, graphics, visualization, molecular and quantum mechanic, dynamic, computational chemistry and drug discovery software

Voices has information on every topic. Submit your content and get paid.

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

AR-CAD offers free and inexpensive 3D CAD Software with Motion Simulation Capabilities, namely freeCAD, StCAD. IN-Motion is a motion and dynamic simulation developed for Autodesk Inventor.

Freebyte, Your guide to the Web. Free software, clipart, images, music, games, jokes, anti-virus, dictionaries, pims, operating systems, programming tools, news, weather, screensavers, ebooks, etc.

Autodesk is a world leader in 3D design software for manufacturing, building, construction, engineering, and entertainment. Since introducing AutoCAD in 1982, Autodesk has developed a broad portfolio of 3D CAD software programs to help users visualiz...

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