root@master:/home/alex# aptitude search dbus
i   dbus                                                                  - simple interprocess messaging system                                            
p   dbus-1-doc                                                            - simple interprocess messaging system (documentation)                            
v   dbus-1-utils                                                          -                                                                                 
p   dbus-x11                                                              - simple interprocess messaging system (X11 deps)                                 
p   gstreamer-dbus-media-service                                          - Media service for Ubuntu Mobile                                                 
p   kdbus                                                                 - D-BUS service browser for KDE                                                   
i   libdbus-1-3                                                           - simple interprocess messaging system                                            
i A libdbus-1-dev                                                         - simple interprocess messaging system (development headers)                      
i   libdbus-glib-1-2                                                      - simple interprocess messaging system (GLib-based shared library)                
i   libdbus-glib-1-dev                                                    - simple interprocess messaging system (GLib interface)                           
p   libdbus-glib-1-doc                                                    - simple interprocess messaging system (GLib-based shared library)                
i A libdbus-qt-1-1c2                                                      - simple interprocess messaging system (Qt-based shared library)                  
p   libdbus-qt-1-dev                                                      - simple interprocess messaging system (Qt interface)                             
i   libndesk-dbus-glib1.0-cil                                             - CLI implementation of D-Bus (GLib mainloop integration)                         
i   libndesk-dbus1.0-cil                                                  - CLI implementation of D-Bus                                                     
i   libnet-dbus-perl                                                      - Perl extension for the DBus message system                                      
p   libosso-dbus-conf                                                     - Libosso D-Bus configuration settings for Scratchbox.                            
p   libqdbusbridge                                                        - Qt 4 D-Bus Accessibility Bridge                                                 
p   libstrigiqtdbusclient-dev                                             - development files for libstrigiqtdbusclient                                     
p   libstrigiqtdbusclient0                                                - library for writing D-Bus clients for Strigi Desktop Search                     
i   python-dbus                                                           - simple interprocess messaging system (Python interface)                         
p   python-dbus-dbg                                                       - simple interprocess messaging system (Python interface, debug extension)        
p   python-qt4-dbus                                                       - DBus Support for PyQt4                                                          
p   python-qt4-dbus-dbg                                                   - DBus Support for PyQt4 (debug extensions)                                       
v   python2.4-dbus                                                        -                                                                                 
v   python2.4-qt4-dbus                                                    -                                                                                 
v   python2.5-dbus                                                        -                                                                                 
v   python2.5-qt4-dbus                                                    -