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658 repositories

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•1•Updated May 3, 2026May 3, 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•7•Updated May 3, 2026May 3, 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 May 3, 2026May 3, 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 May 3, 2026May 3, 2026
ExaConstit
Public
A crystal plasticity FEM code that runs on the GPU
application gpu finite-elements
application gpu finite-elements math-physics mfem
C++
•
BSD 3-Clause "New" or "Revised" License
•16•64•7•0•Updated May 2, 2026May 2, 2026
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•651•35•18•Updated May 2, 2026May 2, 2026
llnl.github.io
Public
Public home for LLNL software catalog
javascript jekyll website
javascript jekyll website catalog portal gov
JavaScript
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MIT License
•58•63•13•0•Updated May 2, 2026May 2, 2026
pyranda
Public
A Python driven, Fortran powered Finite Difference solver for arbitrary hyperbolic PDE systems. This is the mini-app for the Miranda code.
python fortran solver
python fortran solver finite-elements proxy-application
Fortran
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Other
•28•68•2•2•Updated May 2, 2026May 2, 2026
SEAMsurrogates
Public
Shared Education in Artificial intelligence and Machine learning (SEAM) professional development course on "Surrogate Modeling and Design Optimization," as desi…
Python
•
Other
•2•5•9•0•Updated May 2, 2026May 2, 2026
hiop
Public
HPC solver for nonlinear optimization problems
hpc optimization solver
hpc optimization solver mpi cuda constrained-optimization nonlinear-programming-algorithms nonlinear-optimization nonlinear-programming interior-point-method
C++
•
Other
•47•226•37•10•Updated May 2, 2026May 2, 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•31•12•Updated May 1, 2026May 1, 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•242•194•12•Updated May 1, 2026May 1, 2026
ERF
Public
Energy Research and Forecasting Model
C++
•
Other
•66•1•0•0•Updated May 1, 2026May 1, 2026
RAJAPerf
Public
RAJA Performance Suite
c-plus-plus performance cpp
c-plus-plus performance cpp programming-model raja llnl proxy-application
Jupyter Notebook
•
BSD 3-Clause "New" or "Revised" License
•56•131•59•18•Updated May 1, 2026May 1, 2026
SAMRAI
Public
Structured Adaptive Mesh Refinement Application Infrastructure - a scalable C++ framework for block-structured AMR application development
cpp hpc parallel-computing
cpp hpc parallel-computing scientific-computing amr adaptive-mesh-refinement math-physics radiuss
C++
•
Other
•88•244•53•5•Updated May 1, 2026May 1, 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•229•142•16•Updated May 1, 2026May 1, 2026
Tribol
Public
Modular interface physics library featuring state-of-the-art contact physics methods.
math-physics
math-physics
C++
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MIT License
•9•35•28•7•Updated May 1, 2026May 1, 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•186•226•18•Updated May 1, 2026May 1, 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•19•Updated May 1, 2026May 1, 2026
blt
Public
A streamlined CMake build system foundation for developing HPC software
testing cmake cpp
testing cmake cpp hpc cuda build-system blt build-tools radiuss
C++
•
BSD 3-Clause "New" or "Revised" License
•65•286•128•6•Updated May 1, 2026May 1, 2026
Spindle
Public
Scalable dynamic library and python loading in HPC environments
performance radiuss
performance radiuss
C
•
Other
•34•109•28•5•Updated May 1, 2026May 1, 2026
FPChecker
Public
A dynamic analysis tool to detect floating-point errors in HPC applications.
llvm cuda overflow
llvm cuda overflow clang exceptions floating-point infinity cancellation overflow-detection floating-point-arithmetic
Python
•
Apache License 2.0
•10•40•11•3•Updated May 1, 2026May 1, 2026
Scabbard
Public
Data race checker for unified memory in ROCm HIP
LLVM
•
Apache License 2.0
•0•0•0•0•Updated May 1, 2026May 1, 2026
Kripke
Public
Kripke is a simple, scalable, 3D Sn deterministic particle transport code
cpp proxy-application
cpp proxy-application
C++
•
BSD 3-Clause "New" or "Revised" License
•41•40•3•3•Updated May 1, 2026May 1, 2026
pEyeON
Public
Repository for the EyeON file manifest tool
Python
•
MIT License
•1•4•9•10•Updated Apr 30, 2026Apr 30, 2026
RAJA
Public
RAJA Performance Portability Layer (C++)
c-plus-plus cpp parallel-computing
c-plus-plus cpp parallel-computing blt programming-model portability raja llnl radiuss
C++
•
BSD 3-Clause "New" or "Revised" License
•111•578•205•42•Updated Apr 30, 2026Apr 30, 2026
pseudopod
Public
Unprivileged container tool
C
•
Apache License 2.0
•1•3•0•1•Updated Apr 30, 2026Apr 30, 2026
ContinuationSolvers
Public
C++
•
BSD 3-Clause "New" or "Revised" License
•1•0•0•0•Updated Apr 30, 2026Apr 30, 2026
radiuss-shared-ci
Public
Shared Gitlab CI configuration for RADIUSS projects
radiuss
radiuss
Other
•4•7•15•2•Updated Apr 30, 2026Apr 30, 2026
USER-EPH
Public
LAMMPS extension to capture electron-ion interaction. This is a mirror of https://gitlab.com/artuuuro/USER-EPH.
cpp gpu molecular-dynamics
cpp gpu molecular-dynamics electron-phonon-coupling lammps
C++
•
GNU General Public License v3.0
•8•18•5•0•Updated Apr 30, 2026Apr 30, 2026

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Lawrence Livermore National Laboratory

All

All

658 repositories

GridDyn

mgmol

zero-rk

repligit

ExaConstit

sundials

llnl.github.io

pyranda

SEAMsurrogates

hiop

spheral

conduit

ERF

RAJAPerf

SAMRAI

smith

Tribol

axom

benchpark

blt

Spindle

FPChecker

Scabbard

Kripke

pEyeON

RAJA

pseudopod

ContinuationSolvers

radiuss-shared-ci

USER-EPH

All

All

Repositories list

658 repositories