9 Gnome Themes with Ubuntu Repositories
Ubuntu is a community developed, Linux-based operating system that is perfect for laptops, desktops and servers. It contains all the applications you need - a web browser, presentation, document and spreadsheet software, instant messaging and much more. Ubuntu is free of charge Linux-based operating system .
You can download, use and share Ubuntu with your friends, family, school or business for absolutely nothing. zgegblog, a site that maintains a unique collection of great GNOME themes. All Gnome Themes available with free of cost under GNU / GPL License .
For helping Ubuntu users, there is also a Launchpad repository that you can add so that you can install any of themes. the items are available in packages
DEB and also maintains a repository that Launchpad can be added to the list of origins of the Software to install any of the themes. Please follow the steps given in Genbeta.com to install any Gnome Themes you like it...