There are some softwares that are not compatible with Fedora and Gnu’s GPL licenses. Rpms of those packages are available at rpmfusion.org. It can be setup to yum, the package manager using following command
su -c ‘rpm -Uvh http://download1.rpmfusion.org/free/fedora/rpmfusion-free-release-stable.noarch.rpm http://download1.rpmfusion.org/nonfree/fedora/rpmfusion-nonfree-release-stable.noarch.rpm’
Please dont forget to remove those non free packages once it true free versions available.