Watch this video and go to 4:00 and he will demo the Pear Linux repository. Looks really nice!
http://www.youtube.com/watch?feature=fvwp&NR=1&v=eRELqBLHf4w
That is real nice, it’s a direct clone of Deepin Software Center.
KDE is developing Muon Discover, which is just the first version, but will feature much more later this year, like Themes, Icons, etc.