The key difference between Fedora and Ubuntu is their goals, with Ubuntu offering an open source alternative to Windows, and Fedora showcasing the latest in the open source desktop.
Fedora is a Linux-based operating system that showcases the latest in free and open source software. Fedora is always free for anyone to use, modify, and distribute. It is built by people across the globe who work together as a community: the Fedora Project. The Fedora Project is open and anyone is welcome to join. [...]
Joy to the world, a new version of Fedora codenamed "Schrödinger's Cat" has been released! In the past, Fedora has provided leadership in the open source community, holding up to strict open source policies, continuous support to upstream projects, and by offering the latest software before any other distribution.