HEATKEYS

Since 1983, developing the free Unix style operating system GNU, so that computer users can have the freedom to share and improve the software they use.

wikiHow is a wiki based collaboration to build the world’s largest, highest quality how to manual. Our multilingual how to manual has free step-by-step instructions on how to do all types of things.

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Get free computer support for your computer problems! Fix your computer with free PC help, tips, tricks, and tutorials from Tim Fisher, your About.com Guide to PC Support. Save money by fixing your own computer problems.

MathWorks is the world’s leading developer of technical computing software for engineers and scientists in industry, government, and education

Tips and Solutions For Data Recovery and Management

convert anything to anything - more than 100 different audio, video, document, ebook, archive, image, spreadsheet and presentation formats supported.

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

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The World Wide Web Consortium (W3C) is an international community where Member organizations, a full-time staff, and the public work together to develop Web standards.

Convert files like images, video, documents, audio and more to other formats with this free and fast online converter.