Here is a list of some applications that are preinstalled with Xubuntu for your convenience. Find them in the applications menu and install more with the package manager.
 Firefox Web browser
 Firefox Web browser Thunderbird Mail and news client
 Thunderbird Mail and news client Pidgin Internet messenger
 Pidgin Internet messenger Parole Media player
 Parole Media player LibreOffice Writer Word processor
 LibreOffice Writer Word processor LibreOffice Calc Spreadsheet editor
 LibreOffice Calc Spreadsheet editor Gnome Software Package manager
 Gnome Software Package manager Settings Manager
 Settings Manager