x:~$ apt-cache search xfce4
libxfce4mcs-client-2 - Client library for Xfce4 configure interface
libxfce4mcs-dev - Development files for libxfce4mcs-client and -manager
libxfce4mcs-manager-2 - Manager library for Xfce4 configure interface
libxfce4util-1 - Utility functions library for Xfce4
libxfce4util-dev - Development files for libxfce4util-1
libxfcegui4-3 - Basic GUI C functions for Xfce4
libxfcegui4-dev - Development files for libxfcegui4-3
xchat-systray - xchat systray notification icon
xfcalendar - Time-managing application for the Xfce desktop environment
xfce4 - Installs Xfce4 core and scripts to set it up
xfce4-appfinder - Application finder for the Xfce4 Desktop Environment
xfce4-artwork - additional artwork for the XFce4 Desktop Environment
xfce4-battery-plugin - battery monitor plugin for the Xfce4 panel
xfce4-clipman-plugin - clipboard history plugin for the Xfce4 panel
xfce4-cpugraph-plugin - A CPU monitor plugin for the Xfce panel
xfce4-datetime-plugin - A date/time plugin for the Xfce panel
xfce4-devel - The Xfce4 Desktop Environment -- development components
xfce4-diskperf-plugin - Disk performance display plugin for the Xfce panel
xfce4-fsguard-plugin - A file system guard plugin for the Xfce panel
xfce4-genmon-plugin - A generic monitor plugin for the Xfce panel
xfce4-goodies - enhancements for the Xfce4 Desktop Environment
xfce4-icon-theme - Xfce Standard icon theme
xfce4-iconbox - Iconbox for the Xfce4 Desktop Environment
xfce4-mcs-manager - Settings manager for Xfce4
xfce4-mcs-manager-dev - Development files and static plugins
xfce4-mcs-plugins - Special modules for the xfce4-mcs-manager
xfce4-minicmd-plugin - Mini-command line plugin for the Xfce panel
xfce4-mixer - Xfce4 Mixer frontend
xfce4-netload-plugin - network load monitor plugin for the Xfce4 panel
xfce4-notes-plugin - Sticky notes plugin for the Xfce panel
xfce4-panel - The Xfce4 desktop environment panel
xfce4-panel-dev - The Xfce4 panel development files
xfce4-panel-menu-plugin - Panel menu similar to Windows XP
xfce4-sensors-plugin - hardware sensors plugin for the Xfce4 panel
xfce4-session - Xfce4 Session Manager
xfce4-showdesktop-plugin - A show desktop button for the Xfce panel
xfce4-systemload-plugin - System load monitor plugin for the Xfce panel
xfce4-systray - Systray panel plugin for Xfce4 panel
xfce4-taskbar-plugin - A taskbar plugin for the Xfce panel
xfce4-taskmanager - taskmanager for xfce
xfce4-terminal - Xfce terminal emulator
xfce4-themes - Theme files for Xfce4
xfce4-toys - Eyes plugin for Xfce4 panel and xfce4-tips
xfce4-trigger-launcher - Panel plugin to start/stop programs
xfce4-utils - Various tools for Xfce
xfce4-wavelan-plugin - wavelan status plugin for the Xfce4 panel
xfce4-weather-plugin - weather information plugin for the Xfce4 panel
xfce4-windowlist-plugin - A window list plugin for the Xfce panel
xfce4-xkb-plugin - Keyboard plugin for the Xfce panel
xffm4 - File manager for the Xfce4 desktop environment
xffm4-icons - Icons for xffm4, the FM of XFce4
xfprint4 - Printer GUI for Xfce4
xfwm4 - window manager of the Xfce project
xfwm4-themes - Theme files for xfwm4
mail-notification - mail notification in system tray