Geant4

Geant4 is a comprehensive toolkit for simulating the passage of particles through matter. It provides the physics engines and geometry tools needed to model complex experimental setups, from high-energy physics detectors to medical imaging devices. The software tracks particles step-by-step as they interact with materials, generating detailed data on energy deposition, scattering, and secondary particle production. A key feature is its integrated visualization capability, which transforms this complex numerical data into clear, intuitive 3D graphics and event displays. This visual representation allows researchers, engineers, and students to see and understand particle trajectories, interactions, and detector responses directly, bridging the gap between raw simulation output and actionable insight.