Skip to content
@sandialabs

Sandia National Laboratories

Exceptional service in the national interest.

Supercomputing at Sandia National Labs

Welcome to the Sandia National Laboratories organization — a hub for our GitHub-hosted open source projects.


Sandia National Laboratories is a multimission laboratory managed and operated by National Technology and Engineering Solutions of Sandia, LLC., a wholly owned subsidiary of Honeywell International, Inc., for the U.S. Department of Energy’s National Nuclear Security Administration under contract DE-NA-0003525.

Popular repositories Loading

  1. wiretap wiretap Public

    Wiretap is a transparent, VPN-like proxy server that tunnels traffic via WireGuard and requires no special privileges to run.

    Go 1k 47

  2. toyplot toyplot Public

    Interactive plotting for Python.

    Jupyter Notebook 438 40

  3. Albany Albany Public

    Sandia National Laboratories' Albany multiphysics code

    C++ 312 93

  4. scot scot Public

    Sandia Cyber Omni Tracker (SCOT)

    JavaScript 251 48

  5. qthreads qthreads Public

    Lightweight locality-aware user-level threading runtime.

    C 197 41

  6. InterSpec InterSpec Public

    spectral radiation analysis software

    C++ 186 30

Repositories

Showing 10 of 765 repositories
  • rol Public

    Rapid Optimization Library

    sandialabs/rol’s past year of commit activity
    C++ 3 BSD-3-Clause 1 0 1 Updated Nov 18, 2025
  • Arcus Public

    Arcus, developed by Sandia National Laboratories, is a C# library for calculating, parsing, formatting, converting and comparing both IPv4 and IPv6 addresses and subnets. It accounts for 128-bit numbers on 32-bit platforms.

    sandialabs/Arcus’s past year of commit activity
    C# 11 Apache-2.0 4 3 0 Updated Nov 18, 2025
  • seacas Public

    The Sandia Engineering Analysis Code Access System (SEACAS) is a suite of preprocessing, postprocessing, translation, and utility applications supporting finite element analysis software using the Exodus database file format.

    sandialabs/seacas’s past year of commit activity
    C 174 85 18 (2 issues need help) 8 Updated Nov 18, 2025
  • pyGSTi Public

    A python implementation of Gate Set Tomography

    sandialabs/pyGSTi’s past year of commit activity
    Jupyter Notebook 165 Apache-2.0 58 99 14 Updated Nov 18, 2025
  • pyapprox Public

    Flexible and efficient tools for high-dimensional approximation, scientific machine learning and uncertainty quantification.

    sandialabs/pyapprox’s past year of commit activity
    Python 66 MIT 13 2 3 Updated Nov 18, 2025
  • sandialabs/sandialabs.github.io’s past year of commit activity
    JavaScript 14 MIT 3 0 0 Updated Nov 18, 2025
  • snl-progress Public

    The Probabilistic Grid Reliability Analysis with Energy Storage Systems (ProGRESS) software is a Python-based open-source tool for assessing the resource adequacy of the evolving electric power grid integrated with energy storage systems (ESS).

    sandialabs/snl-progress’s past year of commit activity
    Python 19 8 0 0 Updated Nov 18, 2025
  • Gulliver Public

    Gulliver is a C# utility package and library engineered for the manipulation of arbitrary sized byte arrays accounting for appropriate endianness and jagged byte length.

    sandialabs/Gulliver’s past year of commit activity
    C# 18 Apache-2.0 3 2 0 Updated Nov 18, 2025
  • NetDuid Public

    A robust and efficient .NET representation of DHCP Unique Identifiers (DUIDs) as specified in RFC 8415 and RFC 6355

    sandialabs/NetDuid’s past year of commit activity
    C# 2 Apache-2.0 1 0 0 Updated Nov 18, 2025
  • canary Public
    sandialabs/canary’s past year of commit activity
    Python 6 9 10 3 Updated Nov 18, 2025