Life Fedy, PostInstallerF is yet another tool that permits the users to easily install multimedia codecs, enable third party repos, install Adobe Flash, Java, proprietary GPU drivers, with a few clicks only.
The latest version is PostInstallerF 1.5, which has been updated to work with Fedora 22:
To install PostInstallerF, you have to install wget, add the postinstallerf repository to your system and install the postinstallerf package:
$ sudo dnf install wget
$ sudo wget -P /etc/yum.repos.d/ https://raw.github.com/kuboosoft/postinstallerf/master/postinstallerf.repo
$ sudo dnf install postinstallerf
If PostInstallerF does not work for you, feel free to try Fedy.