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)
a P2P filesharing client which is based on the Gnutella network. It offers advanced functions and integrates all common Gnutella extensions (the best Java Gnutella Client)
a practical calculating tool and programming language designed to help us all to better understand the world around us, to help us get calculations right without getting bogged down in the mechanics, and to make a tool that's really useful in the real wor