Castro (Compressible Astrophysics): An adaptive mesh, astrophysical compressible (radiation-, magneto-) hydrodynamics simulation code for massively parallel CPU and GPU architectures.

C++ SPH/N-body library and standalone GUI application, mainly designed for astrophysical simulations

Galaxy Engine is a fully interactive 2D gravity simulator. Play with tens or hundreds of thousands of particles in real time

C++ library for ODE integration via Taylor's method and LLVM

The most comprehensive collection of accurate astronomical algorithms in (C++, Objective-C and) Swift.

Fast radial basis function interpolation and kriging for large scale data

AthenaPK: a performance portable version of Athena++ built on Parthenon and Kokkos

Astrophysics MHD simulation code optimized for large cluster of GPU

Astrophysics program simulating the evolution of star systems based on the fast multipole method on adaptive Octrees

Two-moment AMR radiation hydrodynamics (with self-gravity, particles, and chemistry) on CPUs/GPUs for astrophysics

Modern C++/python CPU/GPU plasma toolbox

New generation astrophysical plasma simulation code with CPU/GPU portability

3D Monte Carlo radiative transfer code

The Shamrock Framework, an open-source, multi-GPU hydrodynamics framework for astrophysics. Scales seamlessly from laptops to exascale supercomputers, supporting SPH, AMR, and more.

Imfit: an open-source astronomical image-fitting program.

Astrodynamics framework

🌎 sgp4 orbit propagation library for modern c++11

HBT+ subhalo finder and merger tree builder, the tool to get you out of mess and back to physics.

Semi-random funky stuff, mainly for my PhD experiments and articles. Contains calculations and algorithm implementations for various applied mathematics and astrophysics articles I worked on.

Tool to generate fake galaxy catalogs with realistic positions, morphologies and fluxes from the far-ultraviolet to the far-infrared.