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659 repositories

sundials
Public
Official development repository for SUNDIALS - a SUite of Nonlinear and DIfferential/ALgebraic equation Solvers. Pull requests are welcome for bug fixes and min…
hpc solver parallel-computing
hpc solver parallel-computing scientific-computing high-performance-computing sensitivity-analysis time-integration ode-solver dae-solver nonlinear-equation-solver
C
•
BSD 3-Clause "New" or "Revised" License
•166•648•32•17•Updated Apr 22, 2026Apr 22, 2026
MacPatch
Public
Software & Patch management for macOS
Objective-C
•
Other
•15•87•0•0•Updated Apr 22, 2026Apr 22, 2026
GridDyn
Public
GridDyn is an open-source power transmission simulation software package
energy cpp simulation
energy cpp simulation
MATLAB
•
BSD 3-Clause "New" or "Revised" License
•27•57•10•0•Updated Apr 22, 2026Apr 22, 2026
mgmol
Public
MGmol is a scalable O(N) First-Principles Molecular Dynamics code that is capable of performing large-scale electronics structure calculations and molecular dyn…
cpp simulation molecular-dynamics
cpp simulation molecular-dynamics applications
C++
•
Other
•15•45•10•8•Updated Apr 22, 2026Apr 22, 2026
smith
Public
Smith is a high order nonlinear thermomechanical simulation code
cpp simulation finite-elements
cpp simulation finite-elements proxy-application math-physics
C++
•
BSD 3-Clause "New" or "Revised" License
•35•228•141•16•Updated Apr 22, 2026Apr 22, 2026
zero-rk
Public
Zero-order Reaction Kinetics (Zero-RK) is a software package that simulates chemically reacting systems in a computationally efficient manner.
application chemistry cpp
application chemistry cpp simulation
C++
•
BSD 3-Clause "New" or "Revised" License
•26•45•1•0•Updated Apr 22, 2026Apr 22, 2026
quandary
Public
Optimal control for open quantum systems
applications
applications
C++
•
MIT License
•15•57•7•5•Updated Apr 22, 2026Apr 22, 2026
conduit
Public
Simplified Data Exchange for HPC Simulations
python yaml json
python yaml json cpp fortran hpc scientific-computing hdf5 data-management llnl
C++
•
Other
•71•241•195•11•Updated Apr 22, 2026Apr 22, 2026
ERF
Public
Energy Research and Forecasting Model
C++
•
Other
•66•1•0•0•Updated Apr 21, 2026Apr 21, 2026
repligit
Public
A Git client for mirroring multiple remotes without storing state
github git stateless
github git stateless mirroring
Python
•
Apache License 2.0
•4•5•1•1•Updated Apr 21, 2026Apr 21, 2026
camp
Public
Compiler agnostic metaprogramming library providing concepts, type operations and tuples for C++ and cuda
cpp
cpp
C++
•
Other
•21•98•28•9•Updated Apr 21, 2026Apr 21, 2026
benchpark
Public
An open collaborative repository for reproducible specifications of HPC benchmarks and cross site benchmarking environments
benchmark performance hpc
benchmark performance hpc
Python
•
Apache License 2.0
•45•71•117•20•Updated Apr 21, 2026Apr 21, 2026
Umpire
Public
An application-focused API for memory management on NUMA & GPU architectures
cpp hpc gpu
cpp hpc gpu memory-management blt portability radiuss
C++
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MIT License
•64•400•16•11•Updated Apr 21, 2026Apr 21, 2026
hubcast-test
Public
Testing https://github.com/llnl/hubcast
0•0•0•0•Updated Apr 21, 2026Apr 21, 2026
ContinuationSolvers
Public
C++
•
BSD 3-Clause "New" or "Revised" License
•1•0•0•0•Updated Apr 21, 2026Apr 21, 2026
pefile
Public
pefile is a Python module to read and work with PE (Portable Executable) files
Python
•
MIT License
•540•2•0•0•Updated Apr 21, 2026Apr 21, 2026
axom
Public
CS infrastructure components for HPC applications
c-plus-plus cpp fortran
c-plus-plus cpp fortran hpc parallel-computing llnl radiuss app-infrastructure
C++
•
BSD 3-Clause "New" or "Revised" License
•33•185•225•18•Updated Apr 21, 2026Apr 21, 2026
Tribol
Public
Modular interface physics library featuring state-of-the-art contact physics methods.
math-physics
math-physics
C++
•
MIT License
•9•35•28•9•Updated Apr 21, 2026Apr 21, 2026
pEyeON
Public
Repository for the EyeON file manifest tool
Python
•
MIT License
•1•4•12•10•Updated Apr 21, 2026Apr 21, 2026
benchmarks
Public
Related to benchmarking activities for Advanced Simulation & Computing (ASC) Advanced Technology Systems
Creative Commons Attribution 4.0 International
•0•5•17•1•Updated Apr 21, 2026Apr 21, 2026
fudge
Public
For Updating Data and Generating Evaluations (FUDGE): LLNL code for managing nuclear data
python application
python application
Python
•
Other
•8•33•3•4•Updated Apr 21, 2026Apr 21, 2026
llnl.github.io
Public
Public home for LLNL software catalog
javascript jekyll website
javascript jekyll website catalog portal gov
JavaScript
•
MIT License
•58•63•13•0•Updated Apr 21, 2026Apr 21, 2026
radiuss-spack-configs
Public
Shared spack configurations for RADIUSS projects
radiuss
radiuss
Python
•
MIT License
•11•3•0•2•Updated Apr 21, 2026Apr 21, 2026
mttime
Public
Time Domain Moment Tensor Inversion in Python
python inversion seismology
python inversion seismology earthquakes waveforms
Python
•
Other
•24•70•4•0•Updated Apr 21, 2026Apr 21, 2026
WarpX
Public
WarpX is an advanced, time-based electromagnetic & electrostatic Particle-In-Cell code.
applications
applications
C++
•
Other
•256•2•0•0•Updated Apr 20, 2026Apr 20, 2026
polytope
Public
A library for generating Voronoi and Voronoi-like tessellations for computational domains with nontrivial boundaries.
hpc parallel-computing scientific-computing
hpc parallel-computing scientific-computing computational-geometry tessellation voronoi
C++
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Other
•2•10•9•4•Updated Apr 20, 2026Apr 20, 2026
spheral
Public
python simulations sph
python simulations sph hydrodynamics astronomical-algorithms hydrodynamic-modeling llnl meshfree simulations-physics math-physics
C++
•
BSD 3-Clause "New" or "Revised" License
•23•74•32•9•Updated Apr 20, 2026Apr 20, 2026
mphys-surrogate-model
Public
This repository contains python scripts for training latent-space machine learning representations of warm rain droplet microphysics
Python
•
Other
•0•0•0•0•Updated Apr 20, 2026Apr 20, 2026
Surfactant
Public
Modular framework for file information extraction and dependency analysis to generate accurate SBOMs
python tool static-analysis
python tool static-analysis dependency-analysis dependency-graph python3 dependencies spdx hacktoberfest software-composition-analysis
Python
•
MIT License
•23•40•51•15•Updated Apr 20, 2026Apr 20, 2026
gretl
Public
Graph-based reversible evaluation and tangents library
C++
•
BSD 3-Clause "New" or "Revised" License
•1•2•0•0•Updated Apr 20, 2026Apr 20, 2026

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Lawrence Livermore National Laboratory

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All

659 repositories

sundials

MacPatch

GridDyn

mgmol

smith

zero-rk

quandary

conduit

ERF

repligit

camp

benchpark

Umpire

hubcast-test

ContinuationSolvers

pefile

axom

Tribol

pEyeON

benchmarks

fudge

llnl.github.io

radiuss-spack-configs

mttime

WarpX

polytope

spheral

mphys-surrogate-model

Surfactant

gretl

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All

Repositories list

659 repositories