The 2.16 version of G4beamline for Mac is available as a free download on our software library. The software lies within Design & Photo Tools, more precisely 3D Modeling. This Mac download was checked by our antivirus and was rated as clean. The size of the latest downloadable setup file is 33.8 MB. This free Mac application is an intellectual property of Muons, Inc.
From the developer:
G4beamline is a particle tracking simulation program based on Geant4. It is optimized for simulating beamlines, and is especially useful for muon facilities in which decays and/or interactions with matter are important. It can also simulate systems not organized as a beamline, and has a cosmic-ray "beam".
You may want to check out more software for Mac, such as TkMatMan, 3D Invigorator PS or Microspot Interiors Pro, which might be similar to G4beamline.