openSUSE is a free and Linux-based operating system for your PC, laptop or server. You can surf the web, manage your e-mails and photos, do office work, play videos or music. It is aimed towards users and developers working on the desktop or server.
The Android platform is specifically optimized for devices with larger screen sizes, particularly tablets. Refined multitasking, rich notifications, home screen customization, widgets, and more.
Easy-to-use interface, amazing features and rock-solid stability, iOS - Apple's mobile operating system - is the foundation of iPhone. iOS is the platform for the worlds largest collection of mobile apps with over 500,000 apps.
The official home page for Microsoft Windows. Find help, purchasing info, and downloads for Windows 7, Internet Explorer, and other Windows products.
Ubuntu is a fast, secure and easy-to-use operating system used by millions of people around the world. It scales from consumer electronics to the desktop, and into the cloud for enterprise computing. Ubuntu still is and always will be free to use.
Fedora is a fast, stable, and powerful Linux-based operating system for everyday use built by a worldwide community of friends. It is always free for anyone to use, modify and distribute.
An enterprise-class Linux distribution with an active and growing user community, quickly rebuilt, tested, and QA'ed errata packages, an extensive mirror network, responsive developers, multiple free support avenues including ...
An enterprise platform well-suited for a broad range of applications across the IT infrastructure. The latest release, Red Hat Enterprise Linux 6, represents a new standard for Red Hat by offering greater flexibility, efficiency, and control.
Debian is a free operating system (OS) for your computer. It uses the Linux kernel, but most of the basic OS tools come from the GNU project; hence the name GNU/Linux. It comes with over 29000 packages, precompiled software.