Distribution
Get flash to fully experience Pearltrees
Máirín Duffy, an interaction designer and graphic artist from Boston,uses Fedora exclusively for all of her design work.
Fedora Project Homepage
Pinguy OS
Ubuntu is a great OS and undoubtedly the most popular and easiest Linux based Distro to use but even with its default setup and chosen programs it's still lacking functionality and ease of use for most new users.
Welcome to Backtrack-Linux.org, home of the highest rated and acclaimed Linux security distribution to date.
BackTrack Linux – Penetration Testing Distribution
Download Debian 6.0 (32/64-bit PC Network installer) Debian is a free operating system (OS) for your computer. An operating system is the set of basic programs and utilities that make your computer run.
Debian -- The Universal Operating System
Ubuntu