matplotlib: plotting with Python
Cross-platform, scientific graphics plotting library
2D & 3D TeX-Aware Vector Graphics Language
Scientific Visualisation Made Easy
OpenPTV
Program for live 2d graphical representation of data streams
hewies user interface - 3D scientific visualisation tool
Interactive visualization of plate tectonics.
A Library for Interactive Modelling and Visualisation
GDS visualization and parallelized capacitance extraction