Wayfire - Wayland compositor with 3d effects.
RocketDock - RocketDock is a Mac OS X dock clone.
GNOME - An easy and elegant way to use your computer, GNOME is designed to put you in control and get things done.
Winstep Nexus - The Winstep Nexus Dock is a FREE* professional dock for Windows. With Nexus, your most frequently used applications are only a mouse click away - and Nexus turns working with your computer into a fun and exciting experience.
Xfce - Xfce is a lightweight desktop environment for UNIX-like operating systems. It aims to be fast and low on system resources, while still being visually appealing and user friendly.
ObjectDock - ObjectDock is the most popular animated dock for Windows.