Top SIMULATIONS GitHub Repositories & Tools (2026)

The software ReciPro makes various crystallographic calculations, visualizes a crystal structure, simulates diffraction patterns and TEM image, indexes diffraction spots, plots stereographic projection, and so on.

Modern astrophysics and cosmology particle-based code. Mirror of gitlab developments at https://gitlab.cosma.dur.ac.uk/swift/swiftsim

S + Autograd + XLA :: S-parameter based frequency domain circuit simulations and optimizations using JAX.

Warteschlangensimulator is a free, platform independent, discrete-event, stochastic simulator which allows to model queueing systems in form of flowcharts.