Rosetta Code is a programming chrestomathy site. The idea is to present solutions to the same task in as many different languages as possible, to demonstrate how languages are similar and different, and to aid a person with a grounding in one approach to a problem in learning another.
an graphical alternative to writing scripts - Scripting for the GUI guys. A user can assemble a data processing 'machine' from 'gears' using drag-and-drop; select a data source; and run the machine to produce output.
a free user interface builder for GTK+ and GNOME interfaces designed are saved as XML, and by using the libglade library these can be loaded by applications dynamically as needed. (Glade can also generate C code)