Unity is a shell interface for the GNOME desktop environment developed by Canonical Ltd for its Ubuntu operating system. It is designed to make more efficient use of space given the limited screen size of netbooks. Unity ...
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.
Avant Window Navigator (AWN/Awn) is a dock-like navigation bar for the linux desktop that positions itself at the bottom of the screen. It can be used to keep track of open windows and behaves like a normal window list.
