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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++ 887 184

  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 699 175

  3. 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 693 143

  4. RAJA RAJA Public

    RAJA Performance Portability Layer (C++)

    C++ 602 118

  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 456 48

  6. Umpire Umpire Public

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

    C++ 422 66

Repositories

Showing 10 of 677 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 minor changes.

    llnl/sundials's past year of commit activity
    C 699 BSD-3-Clause 175 38 26 Updated Oct 15, 2026
  • WarpX Public Forked from BLAST-WarpX/warpx

    WarpX is an advanced, time-based electromagnetic & electrostatic Particle-In-Cell code.

    llnl/WarpX's past year of commit activity
    C++ 3 285 0 0 Updated Oct 15, 2026
  • FPChecker Public

    A dynamic analysis tool to detect floating-point errors in HPC applications.

    llnl/FPChecker's past year of commit activity
    Python 45 Apache-2.0 13 11 4 Updated Oct 15, 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 2 0 0 Updated Oct 15, 2026
  • 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 3 1 Updated Oct 15, 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 79 Apache-2.0 54 122 26 Updated Oct 14, 2026
  • proteus Public

    Programmable JIT Compilation and Optimization for C/C++ using LLVM

    llnl/proteus's past year of commit activity
    C++ 54 Apache-2.0 10 59 (1 issue needs help) 4 Updated Oct 15, 2026
  • ExaConstit Public

    A crystal plasticity FEM code that runs on the GPU

    llnl/ExaConstit's past year of commit activity
    C++ 71 BSD-3-Clause 18 7 (1 issue needs help) 3 Updated Oct 15, 2026
  • ssatk Public

    Space Situational Awareness Toolkit (SSATK): six-degree-of-freedom (6-DOF) orbit and attitude propagation, coordinate transforms, Lambertian brightness modeling, and 3D/interactive visualization for spacecraft from LEO to cislunar space.

    llnl/ssatk's past year of commit activity
    Python 4 BSD-3-Clause 1 0 0 Updated Oct 15, 2026
  • Tribol Public

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

    llnl/Tribol's past year of commit activity
    C++ 40 MIT 11 37 20 Updated Oct 15, 2026
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