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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++ 853 178

  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 648 166

  3. RAJA RAJA Public

    RAJA Performance Portability Layer (C++)

    C++ 574 112

  4. Caliper Caliper Public

    Caliper is an instrumentation and performance profiling library

    C++ 407 77

  5. Umpire Umpire Public

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

    C++ 400 64

  6. blt blt Public

    A streamlined CMake build system foundation for developing HPC software

    C++ 286 65

Repositories

Showing 10 of 658 repositories
  • MacPatch Public

    Software & Patch management for macOS

    llnl/MacPatch’s past year of commit activity
    Objective-C 87 15 0 0 Updated Apr 21, 2026
  • smith Public

    Smith is a high order nonlinear thermomechanical simulation code

    llnl/smith’s past year of commit activity
    C++ 228 BSD-3-Clause 35 141 (1 issue needs help) 16 Updated Apr 21, 2026
  • pEyeON Public

    Repository for the EyeON file manifest tool

    llnl/pEyeON’s past year of commit activity
    Python 4 MIT 1 12 10 Updated Apr 21, 2026
  • Tribol Public

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

    llnl/Tribol’s past year of commit activity
    C++ 35 MIT 9 28 9 Updated Apr 21, 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 648 BSD-3-Clause 166 32 16 Updated Apr 21, 2026
  • benchmarks Public

    Related to benchmarking activities for Advanced Simulation & Computing (ASC) Advanced Technology Systems

    llnl/benchmarks’s past year of commit activity
    5 CC-BY-4.0 0 17 1 Updated Apr 21, 2026
  • axom Public

    CS infrastructure components for HPC applications

    llnl/axom’s past year of commit activity
    C++ 185 BSD-3-Clause 33 225 (2 issues need help) 18 Updated Apr 21, 2026
  • fudge Public

    For Updating Data and Generating Evaluations (FUDGE): LLNL code for managing nuclear data

    llnl/fudge’s past year of commit activity
    Python 33 8 3 4 Updated Apr 21, 2026
  • llnl.github.io Public

    Public home for LLNL software catalog

    llnl/llnl.github.io’s past year of commit activity
    JavaScript 63 MIT 58 13 0 Updated Apr 21, 2026
  • quandary Public

    Optimal control for open quantum systems

    llnl/quandary’s past year of commit activity
    C++ 57 MIT 15 7 5 Updated Apr 21, 2026
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