- European Space Agency
- Geant4 Space Users' Home Page
- Space Environment Information System (SPENVIS)
- Dose Estimation by Simulation of the ISS Radiation Environment (DESIRE)
- Physics Models for Biological Effects of Radiation and Shielding
- Geant4 Radiation Analysis for Space (GRAS)
- MUlti-LAyered Shielding SImulation Software (MULASSIS)
- GLAST
- Gamma Ray Large Area Space Telescope
- MEGAlib
- Medium Energy Gamma-ray Astronomy library
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