Here is a brief list of some applications that are preinstalled with Xubuntu for your convenience. Find them in the menu on the left top corner of your screen. You can install more through the Ubuntu Software Center.
Internet
Firefox, navegador web
Thunderbird, client de correu i notícies
Pidgin, Internet messenger
Oficina
AbiWord, processador de textos
Gnumeric, editor de full de càlcul
Multimèdia
gmusicbrowser, music collection software
Parole, media player
System & Settings
Centre de programari de l'Ubuntu
Settings Manager