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OFELI (Object Finite Element LIbrary) is a library of finite element C++ classes for multipurpose development of finite element software. It is intended for teaching, research and industrial developments as well.
Zhu3D is an interactive OpenGL-based mathematical function viewer. You can visualize functions, parametric systems and isosurfaces. The viewer supports special effects like animation, morphing, transparency, textures, fog and motion blur.
MASyV (Multi-Agent System Visualization) enables one to write agent-based models/cellular automata, eg. in C, visualize them in real time & capture to movie file with MASyVs GUI & message passing lib. Includes examples: Hello World, ants, viral infection
Eirik is a tool for exploring large data sets, by using statistical analyses and multiple linked visualizations for data reduction. It relies on R, QT4 and OpenGL. Developed as part of AstroGrid/VOTech, Eirik uses Ice and xmlrpc for distributed computing.
LaTeX Editor based on Bluefish (http://bluefish.sf.net). Main Features: (1) Autotext, Auto-Completion, Function References, Syntax highlight (2) External Tools (customizable) (3) UTF8 support. Winefish is a GTK+ application, released under GPL License.