One advantage of Arch based distrbution is access to AUR (Arch User Repository). You can do automatic compilation of AUR package with yaourt, or yaourt-gui.
For those who are really tired of how easy
You may consider
cower to download PKGBUILD from AUR manually.
So you can
If you are not familiar with yaourt. I Edited this article in 2016 and give a screenshot of yaourt..
Instead of yaourt, there are other cool AUR helper.
e.g. this Haskell based
Note: I apologize for my english, and also my boring desktop customization.