Accento

Plasma Window Decorations
by caig

5.7
9   Jul 25 2018
+
Accento New

Plasma Window Decorations
by crmlt

6.1
9   Jul 25 2018
+
Macterial

GTK3/4 Themes
by mythio

8.5
9   Jul 20 2018
+
nanodesu

XFCE/XFWM4 Themes
by tdloi

7.8
9   Jul 15 2018
+ Very good theme and really works/looks very good