1.

Shades-of-gray-theme

GTK3 Themes by WernerFP
A flat dark GTK-theme with ergonomic contrasts. It supports Gnome, Xfce4, Mate and Openbox. Theme customizations for Firefox, Thunderbird and Inkscape are additionally included. Shades-of-gray is available in seven color variants: • Gray • Arch • Cerulean • Firebrick • Harvest...
14 comments
Score 68%
68 Likes
32 Dislikes
1 hour ago
2.

Victory Gtk Theme 18.07

GTK2 Themes by newhoa
Victory is a bright, flat, and minimalist theme. This theme was made using, and primarily for use on, Xubuntu and Lubuntu 16.04 thru 18.04, but should work fine with any XFCE/LXDE-based distro. Gtk3 elements should work on Gtk 3.18 (Ubuntu 16.04) and above. Even though a Gtk3 theme is provided,...
237 comments
Score 73%
73 Likes
27 Dislikes
5 hours ago
3.

Materia-Light-Compact-Turquoise GTK3 Theme 1.3

GTK3 Themes by yamon
This is a recolored (Turquoise) version of the Materia-Light-Compact GTK3 theme. It supports GTK+ 3, GTK+ 2, GNOME Shell, Mate, and Budgie desktop. I have also posted a remix of Sardi-Flat and Suru++-Telinkrin iconsets that matches the turquoise-colored theme nicely:...
Arch (tar.gz)
2 comments
Score 50%
50 Likes
50 Dislikes
19 hours ago
4.

Xfce Evolution 4.11.2

GTK3 Themes by gyll
The Xfce Evolution theme attempts to rid the Xfce desktop of visual distractions by providing a more consistent look (buttons, scrollbars, menus, etc) across older and newer applications. If you like this theme please rate it so that other people can find it more easily. ------- Based on...
132 comments
Score 80%
80 Likes
20 Dislikes
1 day ago
5.

MaD for Xfce

GTK2 Themes by The FranKenstein
Mad for Xfce It is possible to place the window buttons left or right through the menu option -> Configuration -> Window Manager. Icons: Evolvere Icon theme by franksouza183 Required extension for Firefox entries: "Text Contrast for Dark Themes". Tested and running on Manjaro Xfce.
Score 67%
67 Likes
33 Dislikes
1 day ago
6.

Cabinet 1.0

GTK3 Themes by g-nome
GTK 3 and GTK 2 Themes Base On Arc-Theme (https://github.com/horst3180/arc-theme) Running well on Debian 9 (Stretch), Ubuntu 18.04, Linux Mit 19 with GTK+ 3.22 Please Read the readme.md file for themes Installation.
Score 50%
50 Likes
50 Dislikes
1 day ago
7.

Ultimate Dark 3.28

GTK3 Themes by bolimage
Dark version of Ultimate Maia GTK Theme. Link to colored folders Icon Themes : https://www.opendesktop.org/p/1218961/
Source-Code
26 comments
Score 73%
73 Likes
27 Dislikes
1 day ago
8.

Egypt Shell Theme 1.0

Gnome Shell Themes by capcom2222
| Egypt Shell Theme 1.0 | Egypt shell theme is licensed under the GNU General Public License v3.0 | Github - https://github.com/capcom2222/egypt | | Egypt icons theme: https://www.opendesktop.org/p/1248714/
6 comments
Score 53%
53 Likes
47 Dislikes
2 days ago
9.

Ant Themes 1.1.0

GTK3 Themes by eliverlara
A flat and light theme with a modern lookInstallation: 1.- Extract the zip file to the themes directory i.e. ~/.themes/ or /usr/share/themes/ (create it if necessary). 2.- To set the theme in Gnome, run the following commands in Terminal (i.e Ant theme). gsettings set...
242 comments
Score 75%
75 Likes
25 Dislikes
2 days ago
10.

365color 0.2

GTK3 Themes by facecolor
365 themes for gtk
2 comments
Score 57%
57 Likes
43 Dislikes
Jul 19 2018