Here is what I usually do after installing a fresh OS.
To add ppas:
sudo apt install software-properties-common python3-software-properties python-software-properties
Gnome-Software:
sudo apt install gnome-software
Screenfetch:
sudo apt install screenfetch
elementaryTweaks:
https://launchpad.net/~philip.scott/+...
Dropbox:
https://github.com/zant95/elementary-...
Numix-Icons:
http://forlearning.com/what-is-elemen...
Arc-Theme
https://github.com/horst3180/arc-theme
"Electro Cabello" Kevin MacLeod (incompetech.com)
Licensed under Creative Commons: By Attribution 3.0
http://creativecommons.org/licenses/b...