BRL-CAD is a powerful constructive solid geometry solid modeling system that includes an interactive geometry editor, ray-tracing support for rendering and geometric analysis, path-tracing for realistic image synthesis, network distributed framebuffer support, and image and signal-processing tools.
Cactus is a general, modular, parallel environment for solving systems of partial differential equations. The code has been developed over many years by a large international collaboration of numerical relativity and computational science research groups and can be used to provide a portable platform for solving any system of partial differential equations.
TrafficObjects dynamically retrieves data from your database tables and files and enables you to graphically create real-time, streaming charts for monitoring and data mining. You can plot data from databases such as Oracle, PostgreSQL, Microsoft SQL Server, Sybase, MySQL, etc. and from text files such as CSV, Tabular, and PostgreSQL log files.