Avogadro libraries provide 3D rendering, visualization, and analysis
XDrawChem is an application for chemistry drawing and analysis.
2D molecule editor
An intuitive molecular editor and visualization tool
ShelXle is a Qt GUI for SHELXL
A code primarily aimed at DNA and RNA coarse-grained simulations
The Open Source CFD Toolbox
Time-dependent simulation of open and closed quantum systems
Crystallographic software for displaying voxel maps - electron density
C++ code for object-oriented formulation of scientific experiments
Visualization, electronic structure and multicomponent calculations
ASALI is an open-source code for chemical engineers
Program for molecular graphics