There are 2 repositories under neutronics topic.
OpenMC Monte Carlo Code
A workshop covering a range of fusion relevant analysis and simulations with OpenMC, DAGMC, Paramak and other open source fusion neutronics tools
Meshing library for nuclear workflows
Stochastic Calculator Of Neutron transport Equation
MontePy is the most user friendly Python library (API) to read, edit, and write MCNP input files.
MC/DC: Monte Carlo Dynamic Code
Convert CAD geometry (STP files) or Cadquery assemblies to DAGMC h5m files
List of open source projects related to OpenMC
Openmc-FEnicsx for muLtiphysics tutorIAl
Combines open source packages to produce an automated fusion specific neutronics workflow
A Python package for plotting OpenMC regular mesh tally results with underlying geometry from neutronics simulations.
Collection of tools for efficiency improvements in developing a CAD model for neutronics analysis
A collection of neutronics models for comparing neutronics simulations in both CAD and CSG formats.
MCNP SDEF to OpenMC conversion tool
The package for reading mcnp input in a pythonic way
A minimal example implementation of an open source method of making DAGMC geometry with Paramak and simulating tritium production with OpenMC
A Python package that extends OpenMC base classes to provide convenience features and standardized tallies when simulating DAGMC geometry with OpenMC.
DIF3D plugin to the ARMI nuclear reactor analysis framework
A Python package for creating publication quality plots for neutron / photon / particle spectrum
a tool for creating axially symetric CSG geometry
Energy-dependent neutron transport Monte Carlo implemented in Rust.
A pretty viewer for XSM files generated by DRAGON/DONJON or APOLLO neutronic codes
Convert non overlapping STL files into a DAGMC h5m file complete with material tags and ready for use in neutronics simulations.
Converts mesh vertices and connectivity to h5m geometry files compatible with DAGMC simulations
An open source utility to convert various publicly available macroscopic nuclear cross section formats
XSPlot - Neutron cross section plotter for materials
A high-fidelity, free user input cylinder meshing tool for MCNP.
Isotropic Monte Carlo simulations examining thermal neutron statistics in water, lead, and graphite, including animated neutron history, delta tracking and spherical geometry adaptations.
DECIMA (Data Extraction & Contextual Inference for MCNP Analysis) — MCNP PTRAC parsing, advanced analysis, and contextual inference tool combining a nuclear physics knowledge graph and an LLM-powered assistant to deliver accurate, no-code answers for neutron and photon transport simulations, built on the official MCNPTools library from LANL.
Command line tool to convert MCNP mesh tallies to Visual ToolKit (VTK) formats. Supports all MCNPv6.2 legacy meshtal output formats, for both for rectangular and cylindrical meshes.
Public documentation and API for Tony's neutronics toolbox. The core library will remain private until I have time to finalise the API.
Simple code to simulate Neutron Scattering in Non-Radiative matter using Monte Carlo simulations
Fission Reactor Physics Homeworks