gnome-shell-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.

Vimix is a flat Material Design theme for GTK 3, GTK 2 and Gnome-Shell etc.

Change the look of Adwaita, with ease

Windows 10 Light theme for Linux (GTK)

macOS theme for Gnome and GTK-based desktops

Themes for GTK, gnome-shell and more.

A bash script that batch installs and tweaks GNOME extensions as well as GTK/Shell themes. There are currently three options available: Unity, Windows and macOS.

A GNOME Shell extension for theming Gnome Top Bar / Top Panel, Menus, Dash/Dock, Gnome Shell and Gtk/Flatpak Apps.

Dark version of macOS theme

Dark variant of Windows 10 theme

Stylish is a stylish Material Design theme for GTK 3, GTK 2 and Gnome-Shell etc.

A red themed derivation of https://github.com/horst3180/arc-theme

Azure is a clean and fresh blue theme for GTK 3, GTK 2 and Gnome-Shell

Minimalistic GTK themes

A Yaru and Libadwaita inspired theme for GTK desktops

Home for the Linux theme emulating Chrome OS

Simple and clean gtk theme

iOS theme for Linux desktops

A modified default GNOME/GTK theme with some extras/enhancements/additions.

A GNOME Shell theme for E-Ink displays