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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
•167•648•32•17•Updated Apr 25, 2026Apr 25, 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•8•Updated Apr 25, 2026Apr 25, 2026
Silo
Public
Mesh and Field I/O Library and Scientific Database
database storage scientific-visualization
database storage scientific-visualization
C
•
Other
•27•42•101•0•Updated Apr 25, 2026Apr 25, 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 25, 2026Apr 25, 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 25, 2026Apr 25, 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•193•11•Updated Apr 25, 2026Apr 25, 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•119•21•Updated Apr 25, 2026Apr 25, 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 Apr 24, 2026Apr 24, 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•10•Updated Apr 24, 2026Apr 24, 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
•112•576•206•41•Updated Apr 24, 2026Apr 24, 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•141•17•Updated Apr 24, 2026Apr 24, 2026
quandary
Public
Optimal control for open quantum systems
applications
applications
C++
•
MIT License
•15•57•7•3•Updated Apr 24, 2026Apr 24, 2026
pEyeON-Analytics
Public
EyeOn produces JSON observations for scanned files. This project turns those JSON observations into queryable analytics tables.
Python
•
MIT License
•0•0•2•0•Updated Apr 24, 2026Apr 24, 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•1•Updated Apr 24, 2026Apr 24, 2026
AMS
Public
machine-learning hpc
machine-learning hpc
C++
•
Apache License 2.0
•9•8•23•10•Updated Apr 24, 2026Apr 24, 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 24, 2026Apr 24, 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++
•
MIT License
•64•400•16•12•Updated Apr 24, 2026Apr 24, 2026
radiuss-spack-configs
Public
Shared spack configurations for RADIUSS projects
radiuss
radiuss
Python
•
MIT License
•11•3•0•1•Updated Apr 24, 2026Apr 24, 2026
hubcast-test
Public
Testing https://github.com/llnl/hubcast
2•0•0•4•Updated Apr 24, 2026Apr 24, 2026
pEyeON
Public
Repository for the EyeON file manifest tool
Python
•
MIT License
•1•4•9•9•Updated Apr 24, 2026Apr 24, 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 24, 2026Apr 24, 2026
powersqueeze
Public
powersqueeze (or psqz) is an HPC-focused library for construcing low-dimensional spectral embeddings of sparse data such as graphs using random projections and …
C++
•
Other
•1•0•0•0•Updated Apr 24, 2026Apr 24, 2026
krowkee
Public
A high-performance computing toolkit for scalably summarizing many data streams in distributed memory.
memory-management
memory-management
C++
•
Other
•2•1•0•0•Updated Apr 23, 2026Apr 23, 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++
•
Other
•2•10•9•4•Updated Apr 23, 2026Apr 23, 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 23, 2026Apr 23, 2026
hubcast
Public
An event driven synchronization application for bridging GitHub and GitLab
ci gitlab-ci github-app
ci gitlab-ci github-app
Python
•
Apache License 2.0
•3•24•12•8•Updated Apr 23, 2026Apr 23, 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 Apr 23, 2026Apr 23, 2026
ERF
Public
Energy Research and Forecasting Model
C++
•
Other
•66•1•0•0•Updated Apr 23, 2026Apr 23, 2026
benchmarks
Public
Related to benchmarking activities for Advanced Simulation & Computing (ASC) Advanced Technology Systems
Creative Commons Attribution 4.0 International
•0•5•17•0•Updated Apr 23, 2026Apr 23, 2026
MacPatch
Public
Software & Patch management for macOS
Objective-C
•
Other
•15•87•0•1•Updated Apr 23, 2026Apr 23, 2026

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Lawrence Livermore National Laboratory

All

All

659 repositories

sundials

Tribol

Silo

axom

zero-rk

conduit

benchpark

ExaConstit

spheral

RAJA

smith

quandary

pEyeON-Analytics

GridDyn

AMS

camp

Umpire

radiuss-spack-configs

hubcast-test

pEyeON

llnl.github.io

powersqueeze

krowkee

polytope

Surfactant

hubcast

SEAMsurrogates

ERF

benchmarks

MacPatch

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All

Repositories list

659 repositories