Real-time multi-physics simulation with an emphasis on medical simulation.
Multi-platform, free open source software for visualization and image computing.
Insight Toolkit (ITK) -- Official Repository. ITK builds on a proven, spatially-oriented architecture for processing, segmentation, and registration of scientific images in two, three, or more dimensions.
The Medical Imaging Interaction Toolkit.
Advanced Normalization Tools (ANTs)
A set of common support code for medical imaging, surgical navigation, and related purposes.
Geant4 toolkit for the simulation of the passage of particles through matter - NIM A 506 (2003) 250-303
Log4Qt - Logging for the Qt cross-platform application framework
A framework for high-performance medical image processing, neural network inference and visualization