WebGL-based viewer for volumetric data
matplotlib: plotting with Python
Monitor the stability of a Pandas or Spark dataframe
Data Analysis, Simulations and Visualization on the Sphere
General Mission Analysis Tool
An intuitive molecular editor and visualization tool
2D & 3D TeX-Aware Vector Graphics Language
Cross-platform, scientific graphics plotting library
a package with useful scripts for X-ray diffraction physicists
Scientific Visualisation Made Easy
Data Visualization and Analysis
Molecular dynamics by NMR data analysis
... the open-source glide computer
Uranie is CEA's uncertainty analysis platform, based on ROOT
OpenPTV
Program for live 2d graphical representation of data streams
MCPower — simple Monte Carlo power analysis for complex models
Scanning Probe Microscopy Controller and Data Visualization Software
hewies user interface - 3D scientific visualisation tool