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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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  1. zfp zfp Public

    Compressed numerical arrays that support high-speed random access

    C++ 884 181

  2. 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 688 143

  3. 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 687 167

  4. RAJA RAJA Public

    RAJA Performance Portability Layer (C++)

    C++ 598 117

  5. OGhidra OGhidra Public

    OGhidra bridges Large Language Models (LLMs) via Ollama with the Ghidra reverse engineering platform, enabling AI-driven binary analysis through natural language. Interact with Ghidra using convers…

    Python 437 48

  6. Umpire Umpire Public

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

    C++ 422 65

Repositories

Showing 10 of 669 repositories
  • GridDyn Public

    GridDyn is an open-source power transmission simulation software package

    llnl/GridDyn's past year of commit activity
    MATLAB 63 BSD-3-Clause 27 4 1 Updated Sep 13, 2026
  • Silo Public

    Mesh and Field I/O Library and Scientific Database

    llnl/Silo's past year of commit activity
    C 45 27 92 2 Updated Sep 13, 2026
  • llnl.github.io Public

    Public home for LLNL software catalog

    llnl/llnl.github.io's past year of commit activity
    JavaScript 67 MIT 58 13 0 Updated Sep 13, 2026
  • wormhole Public

    Web interface for Wormhole.

    llnl/wormhole's past year of commit activity
    0 Apache-2.0 0 0 2 Updated Sep 13, 2026
  • 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++ (including applications which use UPC, OpenMP, or Cuda), Fortran, Java, Ada, and supports ELF and PE binary formats for a variety of instruction sets.

    llnl/rose's past year of commit activity
    C 688 BSD-3-Clause 143 36 0 Updated Sep 13, 2026
  • dr_evt Public

    Discrete Resource Event Modeling and Multi-Cluster Job Scheduling Simulation

    llnl/dr_evt's past year of commit activity
    C++ 4 MIT 1 0 0 Updated Sep 13, 2026
  • smith Public

    Smith is a high order nonlinear thermomechanical simulation code

    llnl/smith's past year of commit activity
    C++ 245 BSD-3-Clause 36 152 (1 issue needs help) 21 Updated Sep 13, 2026
  • Tribol Public

    Modular interface physics library featuring state-of-the-art contact physics methods.

    llnl/Tribol's past year of commit activity
    C++ 39 MIT 11 36 7 Updated Sep 13, 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++ 47 BSD-3-Clause 27 1 0 Updated Sep 13, 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 687 BSD-3-Clause 167 36 14 Updated Sep 13, 2026
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