autoglade is a tool that automagically creates a fully working application from the GUI glade definition plus some declarative information. It can be used as a command line tool to create simple applications with no programming.
This is a very nice and simple client with GUI to connect to Net4India Broadband Server. This works on Linux/Windows. It also minimizes to notification area. Hover mouse over status icon in notification area and you will get session information.
PythoPhotoPod is a Python-based GTK+ GUI for Linux synchronizing photos and photo albums with your iPod Photo (tm) (also known as iPod with a color display), iPod Video (tm) or iPod Nano (tm).
SDB is an utility for traders to manage a collection of live shows. It currently features various export formats (txt, html, php, xml) and a gui to browse, add, edit your shows.
xbgtk - an xbase/Harbour/xHarbour object-oriented wrapper for using the GTK+ GUI. This project has been deprecated in favour of https://github.com/tuffnatty/hbgi, an approach that uses GObject Introspection for automatic bindings.