Kubuntu comes with most of the applications that you need on a daily basis.
For everything else, you can install more software in our software centre Discover.
 Firefox
Web Browser
|
 Kontact
E-mail, Contacts
|
 LibreOffice
Office Suite
|
 Discover
Software Centre
|
 VLC
Music/Video Player
|
 Okular
Document Viewer
|
 Dolphin
File Manager
|