PortableApps.com - PortableApps.com is a website offering many free, commonly used Windows applications that have been...
DockbarX - DockbarX is a standalone dock that groups and launches applications.
PStart - PStart is a simple tray tool to start user defined applications.
Gnome-Pie - Gnome-Pie is a circular application launcher for Linux.
Portable Start Menu - Portable Start Menu - easy way to open/close applications on USB sticks
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.