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.
C# Website system. This is going to be the "Newer" Internet, and even has a custom theme system. This is going to let users do "anything" that won't harm the client computer in any way.
Virtual TI emulates nearly the entire line of Texas Instruments graphing calculators, and offers features that speed up both debugging and testing of calculator programs. Windows version is quite stable but the Linux/OSX version is only in planning.