Maya GTK theme
Numix-like theme, that was raped by dark Adwaita, with Macbuntu buttons added.
Available in dark and light variants, you can switch them by GNOME Tweak Tool.
Tested with GNOME Shell 3.18 and MATE 1.12.1
Murrine theme engine
MATE Desktop Environment (optionally)
Copy 'Maya' folder from archive to /usr/share/themes (/usr/local/share/themes on FreeBSD), or optionally to ~/.local/share/themes .
+ Plank theme
Plank theme installation:
Copy 'Maya' folder from 'Maya_plank.zip' to ~/.local/share/plank/themes .
+ MATE Desktop Environment support