Open-GMF is an open Ground Water Modeling Framework for hydrogeologists and reservoir engineers. It is an extensible development environment for finite-difference, finite-element, and finite-volume models tailored to specific problems.
SkyEye is an open source embedded system emulator. It is a convenient simulator using dynamic translation to achieve good emulation speed, and it can be used for embedded system debug and development.
Visualization can be a very powerful tool in understanding and presenting the properties of complex systems like networks. The aim is to develop tools for automated visualization of network systems and their behaviour. Use of ns2, Flash and AS 2.