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The Free Software Catalog

Operating Systems

These GNU/Linux based operating systems are robust alternatives to Windows.

Using a free operating system to run various IT services such as SQL databases and web servers can save you thousands of dollars.

  Linux
Open Source
Debian
by Software in the Public Interest
Version: 5.0.9 
Released: Oct 3, 2011

A GNU/Linux OS distribution.

  Linux
Open Source
Fedora
by Red Hat
Version: 9.0.0 
Released: Apr 16, 2008

A GNU/Linux OS distribution connected with Red Hat.

  Unix
Open Source
FreeBSD
by The FreeBSD Project
Version: 8.2 
Released: Mar 25, 2011

A free UNIX based operating system.

  Linux
Open Source
Gentoo
by Gentoo Foundation
Version: 2008.0-r1 
Released: Jul 8, 2008

A GNU/Linux OS distribution.

  Unix
Open Source
OpenSolaris
by Oracle
Version: 2009.06 
Released: Jul 28, 2010

OpenSolaris is a state-of-the-art, cutting-edge operating system that provides a rich, coherent platform for building and running applications. It is both a community and an open-source project licensed under CDDL.



  Linux
Open Source
Ubuntu
by Canonical
Version: 11.10 
Released: Nov 21, 2011

A GNU/Linux OS distribution.