21.

Dark Aurora 3.28

GTK3 Themes by bolimage
Easy On The Eyes Gnome 3.28 theme.
Source-Code
38 comments
Score 76%
76 Likes
24 Dislikes
Jul 13 2018
22.

JetBrawn v.1

GTK3 Themes by Noob
Theme for jetbrain products
2 comments
Score 57%
57 Likes
43 Dislikes
Jul 12 2018
23.

365os 0.5

GTK3 Themes by facecolor
365os themes for your! It brings you the best experience, making you fall in love with Linux desktop environment. Share with you! donate: https://www.paypal.me/diaosi/
6 comments
Score 57%
57 Likes
43 Dislikes
Jul 12 2018
24.

Black-Night-Blue 1.0

GTK3 Themes by Ext0
Full Black-Blue GTK2/GTK3 theme. Yet Another Theme Based on Arc. Tested on XFCE.
Arch (tar.gz)
1 comment
Score 54%
54 Likes
46 Dislikes
Jul 12 2018
25.

FlatSurfaces 0.5

GTK3 Themes by catin136
a very simple 2-D flat looking theme. To install, just extract the tarball to the .themes folder in your home directory. Tested in GTK+3.22, GTK+3.18, GTK+2.24, Metacity 3.12, Metacity 2.34, Cinnamon 3.4, and Xfwm 4.8.
12 comments
Score 59%
59 Likes
41 Dislikes
Jul 11 2018
26.

VeLa 1.a

GTK3 Themes by sphera
A simple Gnome Theme
5 comments
Score 54%
54 Likes
46 Dislikes
Jul 11 2018
27.

Milky 2a

GTK3 Themes by Noob
***DESCRIPTION*** Theme Original > Orangini by Paulxfce Incuide Gnome Shell Theme Coming soon Dark Version Icon Theme - Suru++ ********************
9 comments
Score 57%
57 Likes
43 Dislikes
Jul 10 2018
28.

Ambiant-MATE-orange

GTK3 Themes by jameslondonuk
I never liked the green theme on Ubuntu Mate and in 18.04 altering the Appearance didn't work for some reason... I searched everywhere for a theme but couldn't find one so have just made my own. All I've done so far is to copy the gtk3 stuff from Ambiance into a copy of Ambiant-MATE and use the...
Arch (tar.gz)
3 comments
Score 50%
50 Likes
50 Dislikes
Jul 09 2018
29.

Greybird-Pro

GTK3 Themes by Etles_Team
Based on Greybird theme and the latest GTK-3.22.3 engine powered by "Simon Steinbeb". You can see screenshot section what are make it (little) different than default theme. Tested on Ubuntu 17.04.1 and 18.04 Gnome Desktop. Feedback/Reports every bug are always welcome...
1 comment
Score 54%
54 Likes
46 Dislikes
Jul 08 2018
30.

OneStepBack 0.991

GTK3 Themes by jpsb
OneStepBack is a Gtk 2 and 3 theme with some colors and embossed widgets inspired by the good old NextStep look. I'm old. It is developed from scratch, is light and minimal, uses only three shades of grays and one color. That was the challenge. It has been tested on Arch Linux with Gnome-Shell,...
109 comments
Score 77%
77 Likes
23 Dislikes
Jul 08 2018