KaiView is a GUI toolkit/framework for writing applications using the TOM programming language. Based on a vector-oriented drawing layer using libart and freetype2, it provides a widget layer with subject/view separation, forms loaded from XML files, live updates to the GUI, Unicode support, abstract manipulator classes, antialiased everything, and a lot more.
MindsEye is a project to develop a freely (in terms of the GPL) available 3d modeling program for Linux. It features a modular design, Multi-scene/user concept, Kernel-system view instead of Modeler-system view, Object oriented modelling design, and network support in a MindsEye-kernel way.