Ubuntu features a fast and easy install, a tight selection of excellent applications installed by default, and every other package you can imagine available with a few clicks.
Linux Mint's purpose is to produce an elegant, up-to-date, and comfortable GNU/Linux desktop based on Ubuntu. Linux Mint 17 is based on Ubuntu 14.04 LTS, Linux 3.13, Cinnamon 2.2, and MATE 1.8.
The Debian Project is an association of individuals who have made common cause to create a free operating system. Debian 7.7 features KDE 4.8.4, GNOME 3.4, and Linux 3.2.
Fedora is a Red Hat sponsored and community-supported project. It is also a proving ground for new technology that may eventually make its way into Red Hat products.
Promoting the use of Linux everywhere, this project provides free, easy access to the world's most usable Linux distribution, openSUSE. Features Gnome 3.10, KDE 4.11, Linux 3.11.
Zorin OS is a multi-functional operating system designed specifically for Windows users who want to have easy and smooth access to Linux. Zorin OS is a gateway for Windows users to the exciting world of open source software.