https://www.qgis.org/

To install on Fedora 20:

sudo wget fedora.vitu.ch/QGIS/qgis.repo -P /etc/yum.repos.d/
sudo rpm --import http://fedora.vitu.ch/Fedora/RPM-GPG-Key-vitu
sudo yum update
sudo yum install qgis qgis-python qgis-grass qgis-mapserver