matplotlib: plotting with Python
WebGL-based viewer for volumetric data
Cross-platform, scientific graphics plotting library
An intuitive molecular editor and visualization tool
Data Visualization and Analysis
MCPower — simple Monte Carlo power analysis for complex models
Real-time interactive 3D graphics API for scientific simulations
Interactive visualization of plate tectonics.
A whole exome sequencing analysis package and its graphical interface
A Library for Interactive Modelling and Visualisation