Gnome-Pie - Gnome-Pie is a circular application launcher for Linux.
7+ Taskbar Tweaker - 7+ Taskbar Tweaker allows you to configure various aspects of the Windows taskbar.
Cairo-Dock - Cairo-Dock / GLX-Dock 3. 4 is now available. Cairo-Dock 3. 4 is finally released! One year after the 3.
TaskbarX - TaskbarX gives you control over the position of your taskbar icons.
Synapse - Synapse is a semantic launcher written in Vala that you can use to start applications as well as find and access relevant documents and files by making use of the Zeitgeist engine.
TranslucentTB - TranslucentTB make Windows Taskbar transparent