Quicksolve is an interactive graphing calculator and programming language. It provides an intuitive interface for performing basic plots and calculations with a focus on numerical solutions. Versions will be available for both Gnome and Mac OS X.
RobotFlow is a mobile robotics tookit based on FlowDesigner. The visual programming interface provided with FlowDesigner will help people to better visualize & understand what is really happening in the robot's control loops, sensors and actuators.
GtkI is a multi-platform GUI library that allows programmers to quickly setup GTK+ (The GIMP Toolkit) dialogs without prior knowledge of GTK+. The programming API is very similar to that of the GLUI user interface library.