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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++ 886 181

  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 690 144

  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 690 171

  4. RAJA RAJA Public

    RAJA Performance Portability Layer (C++)

    C++ 599 118

  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 445 48

  6. Umpire Umpire Public

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

    C++ 422 65

Repositories

Showing 10 of 682 repositories
  • GridDyn Public

    GridDyn is an open-source power transmission simulation software package

    llnl/GridDyn's past year of commit activity
    C++ 63 BSD-3-Clause 27 4 1 Updated Sep 28, 2026
  • romweb Public

    Reduced order model (ROM) website

    llnl/romweb's past year of commit activity
    Less 2 0 0 0 Updated Sep 28, 2026
  • benchpark Public

    An open collaborative repository for reproducible specifications of HPC benchmarks and cross site benchmarking environments

    llnl/benchpark's past year of commit activity
    Python 78 Apache-2.0 53 121 22 Updated Sep 28, 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 690 BSD-3-Clause 171 36 21 Updated Sep 27, 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 27, 2026
  • benchpark-performance Public
    llnl/benchpark-performance's past year of commit activity
    0 Apache-2.0 0 0 0 Updated Sep 27, 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 690 BSD-3-Clause 144 36 0 Updated Sep 27, 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++ 48 BSD-3-Clause 27 1 0 Updated Sep 27, 2026
  • SEAMsurrogates Public

    Shared Education in Artificial intelligence and Machine learning (SEAM) professional development course on "Surrogate Modeling and Design Optimization," as designed at LLNL.

    llnl/SEAMsurrogates's past year of commit activity
    Python 6 2 6 0 Updated Sep 27, 2026
  • hiop Public

    HPC solver for nonlinear optimization problems

    llnl/hiop's past year of commit activity
    C++ 231 50 48 16 Updated Sep 27, 2026
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