Here I try to list codes and tools that are useful to the practicing accelerator physicist:

Optics and Tracking:

• Accelerator Toolbox (Matlab, SLAC)
• BDSIM
• BMAD (Cornell)
• elegant
• MAD/MADX (Fortran/C, CERN)
• G4Beamline
• OPTiM
• Serpentine (Python)
• XSuite
• Zgoubi; pyZgoubi

Electromagnetism Codes:

• OPERA
• CST

Plasma:

• EPOCH
• OOPIC/XOOPIC
• OSIRIS
• QUICKPIC
• VSIM

Space Charge:

• ASTRA
• General Particle Tracer
• OPAL
• Py-Orbit

Radiation Transport:

• Attila4MC
• GEANT4
• FLUKA
• FLAIR
• OpenMC
• SHIELD
• SHIELD-HIT

Other Codes:

• Manchester Codes
• VV
• RadioModels

Coding and Development Tools:

• VSCode
• Grafana