Desktop notification library
http://www.galago-project.org/

A session manager for Xfce

Panel for the Xfce desktop environment
http://www.xfce.org/

X11 Composite extension library

Window Navigator Construction Kit

X11 Resource extension library

removed dynamic depends

This is a workaround. Something is bad in the make install.

A modern terminal emulator primarly for the Xfce desktop environment
http://www.xfce.org/projects/terminal/

Monitor and display application startup
http://www.freedesktop.org

Virtual Terminal Emulator library
http://www.gnome.org

Extensions to Xfce by os-cillation
http://www.os-cillation.com/article.php?sid=40

Basic utility non-GUI functions for Xfce
http://www.xfce.org/

A wrapper library for generic spell checking
http://www.abisource.com/enchant/

X11 Video Motion Compensation extension library
http://xorg.freedesktop.org/

A simple command-line screenshot utility for X
http://linuxbrit.co.uk/scrot/