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Mind map architect program is good tool for brainstorming for single person just as for team. Mind mapping tools can be usable for todo lists, notes, or work planning.
InterferenceSimulator is a program demonstrating quantal two-slit Fresnel interference patterns with one, the other, or both slits open. A magnetic flux situated between the two slits allows demonstration of the Aharonov–Bohm effect. Simulations with short de Broglie wavelengths illustrate the classical limit of quantum mechanics. Because of the universality of wave phenomena, this program can also demonstrate the geometrical-optics limit of wave optics for small wavelengths.
Open-source, cross-platform 3D rendering engine for .NET and Mono. The Axiom Engine is a high-performance C# port of the powerful OGRE engine and provides full support for DirectX, OpenGL and XNA on Windows, Linux, Android, iPhone and Windows Phone.
...Similar to idraw and xfig it focuses on creating diagrams easily without a complicated user interface. Diagrams produced by J-gramS are saved as SVG or a number of image formats.
Meskalin is a *nix parallel port control program
it allows you to easily control LED's or wetwire devices like brainwave machines
ported for: FreeBSD, netBSD, openBSD and Linux
A tool suite to analyse protocol streams and whose flow characteristic. On the other side, the tool suite can be used to gather information about the network infrastructure and detect bottlenecks.
Cellicone is a project to develop an artificial life organism with the necessary components to make it comparable to biological life as we know it. This includes components ranging from proteins to cells to organs to limbs, and many steps between.