This guide explains how to get Linux mint like start menu on Ubuntu.
Ubuntu System Panel
This application is just a gnome panel applet pretending like improved version of windows start menu. So lets get started.
Ubuntu System Panel is not included in repositories but fortunately its simple to install. First checkout source code.
svn checkout http://ubuntu-system-panel.googlecode.com/svn/trunk/ ubuntu-system-panel
Execute following command to install it. For that first go into the directory ubuntu-system-panel and execute following command.
./usp_update install fresh
Execute following command to reload gnome-panel.
killall -9 gnome-panel
Now right click on any ubuntu panel and add "Ubuntu System Panel" applet.