There are 7 repositories under gnome-shell-theme topic.
Graphical application for generating different color variations of Oomox (Numix-based) and Materia (ex-Flat-Plat) themes (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.
Dark version of macOS theme
Dark variant of Windows 10 theme
A red themed derivation of https://github.com/horst3180/arc-theme
Stylish is a stylish Material Design theme for GTK 3, GTK 2 and Gnome-Shell etc.
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
A Material Design-like flat theme for GTK3, GTK2, and GNOME-Shell.
Simple and clean gtk theme
Gruvbox theme based on Pop OS compact theme for GTK 3.22
iOS theme for Linux desktops
A modified default GNOME/GTK theme with some extras/enhancements/additions.
Android theme (based on Chrome OS code)
CHANGE BACKGROUND LOGIN SCREEN (Kali Linux 2022, 2023.1, 2023.2, 2023.3)
A cli tool to download & install gnome and XFCE based Icons, GTK, Cursor themes easily.
Custom linux mac-os-x
Package of a Unity 7 theme (mainly for gnome)
A minimal, flat and dark gnome shell theme
Balance-Blue-Dark theme is a combination of the best features of the official Zorin OS themes, along with some minor modifications
Personal collection of Linux themes.
A neon flat theme based on arc-theme
Change the lock screen background on Gnome/ gdm3 of Ubuntu or Pop OS 20.04 and 20.10 and other Ubuntu based Distros. Added support for Arch linux and Fedora (New).