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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++ 834 170

  2. 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 603 156

  3. RAJA RAJA Public

    RAJA Performance Portability Layer (C++)

    C++ 537 108

  4. Caliper Caliper Public

    Caliper is an instrumentation and performance profiling library

    C++ 390 73

  5. Umpire Umpire Public

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

    C++ 384 58

  6. blt blt Public

    A streamlined CMake build system foundation for developing HPC software

    C++ 275 66

Repositories

Showing 10 of 618 repositories
  • repligit Public

    A Git client for mirroring multiple remotes without storing state

    LLNL/repligit’s past year of commit activity
    Python 3 Apache-2.0 2 1 2 Updated Oct 13, 2025
  • 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 60 Apache-2.0 39 135 34 Updated Oct 13, 2025
  • APBuilder Public

    Python tool to create AC2Dr atmosphere profiles from weather models.

    LLNL/APBuilder’s past year of commit activity
    Python 1 0 0 0 Updated Oct 13, 2025
  • Tribol Public

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

    LLNL/Tribol’s past year of commit activity
    C++ 30 MIT 8 28 12 Updated Oct 13, 2025
  • RAJAPerf Public

    RAJA Performance Suite

    LLNL/RAJAPerf’s past year of commit activity
    Jupyter Notebook 124 BSD-3-Clause 47 57 20 Updated Oct 13, 2025
  • napari-mcp Public

    A lightweight napari plugin that exposes the viewer over MCP (Message-Control Protocol) via a Python socket server. Built on top of FastMCP, it lets external MCP-speaking clients—such as autonomous AI agents running on Claude or OpenAI—call napari’s public API remotely.

    LLNL/napari-mcp’s past year of commit activity
    Python 1 1 0 0 Updated Oct 13, 2025
  • spheral Public
    LLNL/spheral’s past year of commit activity
    C++ 69 BSD-3-Clause 22 29 (3 issues need help) 8 Updated Oct 13, 2025
  • dapper Public

    Dependency Analysis Project - tools to discover implicit dependencies in source code and on systems

    LLNL/dapper’s past year of commit activity
    Python 17 MIT 4 19 8 Updated Oct 13, 2025
  • Wintap Public

    An extensible host-based agent for Windows.

    LLNL/Wintap’s past year of commit activity
    C# 16 MIT 2 0 0 Updated Oct 13, 2025
  • serac Public

    Serac is a high order nonlinear thermomechanical simulation code

    LLNL/serac’s past year of commit activity
    C++ 213 BSD-3-Clause 35 137 (1 issue needs help) 16 Updated Oct 13, 2025
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