From Fedora Project Wiki
Why Fedora? What makes this distribution for you different from the others?
Why Fedora? Fedora was great and free to use, fedora prioritize freedom of expression and freedom is the main keyword, fedora community working with the world community to advance the free software, many new features that started in the fedora project, and the future of Linux built in Fedora.
What makes this distribution for you different from the others? Fedora only provides the free software and open source, anyone can use, develop and distribute, easy to use because the rpm based and many new applications available in each release as well as many additional packages in the repository.