Cinnamon is a modern Linux desktop which provides advanced innovative features and a traditional user experience.
It's easy to use, powerful and flexible.

Muffin is a small window manager, using GTK+ and Clutter to do everything. Muffin is the clutter-based evolution of Metacity, which, as the author says, is a "Boring window manager for the adult in you. Many window managers are like Marshmallow Froot Loops; Metacity is like Cheerios."

For experimenting

Cinnamon is a modern Linux desktop which provides advanced innovative features and a traditional user experience.
It's easy to use, powerful and flexible.