It includes Chromium as its default browser, IBM Lotus Symphony as its office suite, and programs like Rhythmbox and AmazonMP3 to cover the multimedia needs. But not only this, it also includes applications like Dropbox, PiTiVi and Hulu, programs that are very useful and that can be used as soon as the OS is installed.
To cover such an important aspect as communications, it includes Skype, Pidgin and Evolution, which integrate perfectly into GNOME with the Compiz effects.
Since it's based on Ubuntu/Debian, the stability of Manhattan OS can be guaranteed, and also its compatibility with drives and other low level software. Furthermore, it's also compatible with all the repositories.