Hope GTK3 Theme is Gorgeous, Supports Unity and Gnome Shell ~ Ubuntu Vibes
Elementaryish 1.1.6 Gtk3 Theme for 13.04 and 12.10 by Dolsilwa on DeviantArt
Human Compact Themes (for Ubuntu 8.10)
Adapta-gtk-theme-colorpack - OpenDesktop.org
Orchis gtk theme - /s/Mate
Eye Candy » Linux Magazine
Fluent gtk theme - /s/Cinnamon
Orchis gtk theme - Eyecandy for your XFCE-Desktop - xfce-look.org
Clearlooks Compact - Gnome-look.org
Some GTK3 programs do not react to themes at all / Desktop / Xfce Forums
Fluent round gtk theme - Gnome-look.org
How to Install Themes in Ubuntu Linux
7 Great-Looking Gnome Shell Themes - Make Tech Easier
Ant is a Flat GTK Theme with a Bloody Bite - OMG! Ubuntu
11 Best GTK Themes for Ubuntu - OMG! Ubuntu
Materia-Light-Compact-Turquoise GTK3 Theme - Gnome-look.org
Orchis Is A Cool GTK / GNOME Theme With Rounded Elements - Linux Uprising Blog
Lavender theme - Gnome-look.org
theme – GTK Development Blog
Install Clearlooks-flat-compact GTK theme on Ubuntu 12.10/12.04/11.10/Mint - NoobsLab | Eye on Digital World
Greybird - GTK3 Theme by satya164 on DeviantArt
Slim Themes for Small Screens · Linux Desktop Musings
gui - How to get a 'compact' look in GTK? - Unix & Linux Stack Exchange
Install Clearlooks-flat-compact GTK theme on Ubuntu 12.10/12.04/11.10/Mint - NoobsLab | Eye on Digital World
Pop-compact variants: GNOME Top bar does not shrink, only the fonts shrink · Issue #51 · pop-os/gtk-theme · GitHub
Orchis gtk theme - /s/Mate
