cinnamon-theme

Graphical application for generating different color variations of Oomox (Numix-based) theme (GTK2, GTK3, Cinnamon, GNOME, Openbox, Xfwm), Archdroid, Gnome-Color, Numix, Papirus and Suru++ icon themes. Have a hack for HiDPI in gtk2. Its Base16 plugin also allowing a lot of app themes support like Alacritty, Emacs, GTK4, KDE, VIM and many more.

Windows 10 Light theme for Linux (GTK)

macOS theme for Gnome and GTK-based desktops

Windows XP themes

Dark variant of Windows 10 theme

Dark version of macOS theme

Home of the B00merang Redmond Collection themes for Linux

A Yaru and Libadwaita inspired theme for GTK desktops

Home for the Linux theme emulating Chrome OS

OS X Leopard with Aqua-styled GTK widgets

A port of the Whistler theme that eventually got replaced by Luna in Windows 2001 (XP)

Modified version of Adapta Theme created by Adapta Project

iOS theme for Linux desktops

Mac OS theme with the Aqua design guidelines

Android theme (based on Chrome OS code)

Nord version of Adapta Theme!

Theme mimicking Unity 8's design

A set of themes for the Cinnamon desktop environment. Each theme includes a Cinnamon desktop theme along with Metacity theme for borders and controls and GTK2, GTK3.18 and GTK 3.20+ themes for applications.

Old-fashioned theme based on overall appearance of OS X Mavericks

Change desktop background to a high resolution picture of the current moon phase from NASA