Lawrence Livermore National Laboratory

For over 70 years, the Lawrence Livermore National Laboratory has applied science and technology to make the world a safer place.

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zfp zfp Public

Compressed numerical arrays that support high-speed random access

C++ 880 180
rose rose Public

ROSE is an open-source compiler framework engineered by LLNL supporting program analysis and transformation at both the source and binary levels. ROSE can act as a compiler frontend for C, C++ (inc…

C 683 143
sundials sundials Public

Official development repository for SUNDIALS - a SUite of Nonlinear and DIfferential/ALgebraic equation Solvers. Pull requests are welcome for bug fixes and minor changes.

C 679 167
RAJA RAJA Public

RAJA Performance Portability Layer (C++)

C++ 595 114
Umpire Umpire Public

An application-focused API for memory management on NUMA & GPU architectures

C++ 418 65
Caliper Caliper Public

Caliper is an instrumentation and performance profiling library

C++ 417 78

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ClaMS Public
HPC Hierarchical Clustering

llnl/ClaMS's past year of commit activity

C++ 0 4 0 0 Updated Aug 20, 2026
wormhole-token-service Public
Minting and verification of tokens for Wormhole.

llnl/wormhole-token-service's past year of commit activity

Python 5 Apache-2.0 1 14 0 Updated Aug 20, 2026
conduit Public
Simplified Data Exchange for HPC Simulations

llnl/conduit's past year of commit activity

C++ 248 72 208 13 Updated Aug 20, 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 minor changes.

llnl/sundials's past year of commit activity

C 679 BSD-3-Clause 167 37 19 Updated Aug 20, 2026
zero-rk Public
Zero-order Reaction Kinetics (Zero-RK) is a software package that simulates chemically reacting systems in a computationally efficient manner.

llnl/zero-rk's past year of commit activity

C++ 46 BSD-3-Clause 27 1 0 Updated Aug 20, 2026
radiuss-docker Public
Automated builds of Docker container bases for RADIUSS projects

llnl/radiuss-docker's past year of commit activity

Dockerfile 2 MIT 0 4 2 Updated Aug 20, 2026
hubcast Public
An event driven synchronization application for bridging GitHub and GitLab

llnl/hubcast's past year of commit activity

Python 26 Apache-2.0 2 9 (1 issue needs help) 4 Updated Aug 20, 2026
repligit Public
A Git client for mirroring multiple remotes without storing state

llnl/repligit's past year of commit activity

Python 5 Apache-2.0 4 1 2 Updated Aug 20, 2026
exadis Public
ExaDiS (Exascale Dislocation Simulator) is a portable library for Discrete Dislocation Dynamics simulations that runs on GPU

llnl/exadis's past year of commit activity

C++ 21 BSD-3-Clause 8 0 1 Updated Aug 20, 2026
axom Public
CS infrastructure components for HPC applications

llnl/axom's past year of commit activity

C++ 195 BSD-3-Clause 34 218 (3 issues need help) 28 Updated Aug 20, 2026