paolo@paolo-Extensa-5220:~$ dpkg -l | grep light
ii  gir1.2-gtksource-3.0                                3.12.3-1ubuntu1                          i386         gir files for the GTK+ syntax highlighting widget
ii  libdaemon0:i386                                     0.14-6                                   i386         lightweight C library for daemons - runtime library
ii  libgtksourceview-3.0-1:i386                         3.12.3-1ubuntu1                          i386         shared libraries for the GTK+ syntax highlighting widget
ii  libgtksourceview-3.0-common                         3.12.3-1ubuntu1                          all          common files for the GTK+ syntax highlighting widget
ii  liblightdm-gobject-1-0                              1.12.1-0ubuntu1                          i386         LightDM GObject client library
ii  libminiupnpc8:i386                                  1.6-4ubuntu1                             i386         UPnP IGD client lightweight library
ii  libpocketsphinx1                                    0.8.0+real-0ubuntu6                      i386         lightweight speech recognition - library
ii  light-themes                                        14.04+14.10.20141015-0ubuntu1            all          Light Themes (Ambiance and Radiance)
ii  lightdm                                             1.12.1-0ubuntu1                          i386         Display Manager
ii  python3-mako                                        1.0.0-1                                  all          fast and lightweight templating for the Python 3 platform
ii  transmission-common                                 2.82-1.1ubuntu4                          all          lightweight BitTorrent client (common files)
ii  transmission-gtk                                    2.82-1.1ubuntu4                          i386         lightweight BitTorrent client (GTK+ interface)
ii  tzdata                                              2015a-0ubuntu0.14.10                     all          time zone and daylight-saving time data