Wikipedia
Kadú
Aldo Geraldo Manuel Monteiro (born 30 November 1994), known as Kadú, is an Angolan footballer who plays for Portuguese club Varzim S.C. on loan from FC Porto as a goalkeeper.
Kadu (footballer)
Ricardo Martins de Araújo (born 20 July 1986 in Brasília), commonly known as Kadu, is a Brazilian professional footballer who plays for Ponte Preta, on loan from Grêmio, as a central defender and is equally adept as a defensive midfielder.
Kadu (software)
Kadu is a free and open source multi-platform instant messaging client that supports Gadu-Gadu, XMPP IM networks and other services based on XMPP like Google Talk. It is written in C++ using Qt Framework, and released under the GNU General Public License.