Developer: MandrakeSoft
Website: http://www.mandrakesoft.com/
Languages: Swedish, English, Spanish, Chinese, Japanese, French, German, Italian, Russian, Estonian, Finnish, Portuguese, Turkish, Thai
Categories: Mainstream/General Public, Red Hat based
Platforms: Intel compatible, PPC
Description: Linux-Mandrake is a friendly Linux Operating System which comes with KDE, Gnome, Window Maker, Enlightenment and other graphical interfaces. It provides ease of use for both home/office and servers. It is freely available in many languages, all over the world.

http://www.linux.org/dist/download.html?ID=21

Developer: RedHat Software
Website: http://fedora.redhat.com/
Language: English
Categories: Mainstream/General Public, Red Hat based
Platform: Intel compatible
Description: Fedora is RedHat's plan to develop a complete, general purpose operating system exclusively from free software. The distribution was created to replace low-end, comsumer versions of RedHat Linux.

http://www.linux.org/dist/download.html?ID=220

Developer: Gentoo Technologies, Inc.
Website: http://www.gentoo.org
Language: English
Category: Mainstream/General Public
Platform: Intel compatible
Description: Gentoo Linux is designed for the developer, power user and enthusiast.It incorporates the latest sources and technologies (such as ReiserFS and the Portage system).

http://www.linux.org/dist/download.html?ID=12

Developer: Debian
Website: http://www.debian.org/
Language: English
Categories: Mainstream/General Public, Debian based
Platforms: Intel compatible, PPC, Alpha, Sparc, Other, Mainframe, m68k
Description: Debian GNU/Linux is a free distribution of the Linux based operating system.It is maintained and updated through the work of many users who volunteer their time and effort. Along with its large selection of prepackaged software is contains advanced package management tools that allow for easy installation and maintenance on individual systems and workstation clusters. Extensive pre-release testing is done to ensure the highest degree of reliability possible, and a publicly accessible bug tracking system provides an easy way to monitor customer feedback.
Books:

* Debian GNU/Linux 2.1 Unleashed
* Debian GNU/Linux Bible
* more...

http://www.linux.org/dist/download.html?ID=8

Developer: The Slackware Linux Project
Website: http://www.slackware.com/
Language: English
Categories: Mainstream/General Public, Power user
Platform: Intel compatible
Description: Slackware Linux is compatible with most Intel PC hardware. Slackware will provide stellar performance on high-end systems, including support for symmetric multi-processing (up to 16 processors), PCI, and special code optimizations for the 486, Pentium, and Pentium Pro and AMD Athlon
Amazon:

Slackware 7.1
Book:

* Install, Configure, and Customize Slackware Linux
* more...

http://www.linux.org/dist/download.html?ID=33

Developer: SOT Finnish Software Engineering Ltd.
Website: http://www.sot.com/en/
Languages: English, Swedish, Russian, Finnish
Category: Mainstream/General Public
Platform: Intel compatible
Description: SOT Linux is perfectly suited for use in the home, as a workstation or an internet server. The Best Linux operating system is easy to install with no complicated options. Graphical installation goes smoothly, either on a new computer or beside another operating system. Selecting which operating system to start is simple thanks to an advanced graphical boot menu. Best Linux starts straight into a graphical Windows-like KDE-desktop which includes almost all of the software that might you use daily. The multilingual desktop consist of multiple workspaces to help you group your tasks. You can use one workspace for work matters, another to surf the internet and a third for writing a book. All this is possible due to Best Linux's superior multi-tasking.

http://www.linux.org/dist/download.html?ID=4

Developer: SuSE GmbH
Website: http://www.suse.com/
Languages: English, Spanish, French, German, Italian, Portuguese
Category: Mainstream/General Public
Platforms: Intel compatible, PPC, Alpha, Sparc, Itanium, Mainframe, Other
Description: The current version is SuSE Linux 8.0. It contains 7 CD-ROMs (or 1 DVD) with more than 1.500 applicationsSuSE can be installed and maintained easily with their YAST program, currently in version 2. SuSE Linux is also available for IA 32, IA 64, PowerPC, Alpha, and S/390.
Amazon:

Suse Linux 8.1 Professional Edition
Book:

* SuSE Linux Unleashed
* more...

http://www.linux.org/dist/download.html?ID=36

Developer: Knopper.net
Website: http://www.knopper.net/knoppix/
Languages: English, German
Categories: Minimalist, Debian based, Mainstream/General Public
Platform: Intel compatible
Description: Full-featured Linux distribution that boots from a CD. Includes the latest version of KDE and OpenOffice. Can be used to work from Linux on PCs without actually installing it, so it is ideal for demonstrations of Linux. Based on Debian.

http://www.linux.org/dist/download.html?ID=185