Repositories list

• Equilipy

  Public
  Open-source python package for multicomponent multiphase equilibrium CALPHAD calculations

  pythoncalphad

  Fortran

  •

  BSD 3-Clause "New" or "Revised" License

  •3•27•0•0•Updated Jan 7, 2026Jan 7, 2026

• portUrb

  Public
  portUrb is a simple, fast, extensible portable C++ atmospheric LES model

  C++

  •

  BSD 2-Clause "Simplified" License

  •2•2•0•0•Updated Jan 7, 2026Jan 7, 2026

• software-catalog

  Public
  Home of the ORNL software catalog

  JavaScript

  •

  MIT License

  •5•6•1•0•Updated Jan 7, 2026Jan 7, 2026

• GridKit

  Public
  Modeling framework for power systems simulations and analysis.

  C++

  •

  Other

  •7•16•40•5•Updated Jan 6, 2026Jan 6, 2026

• reno

  Public
  System dynamics modeling library for Python

  Python

  •

  BSD 3-Clause "New" or "Revised" License

  •0•3•0•0•Updated Jan 6, 2026Jan 6, 2026

• superneuroabm

  Public
  A GPU-based multi-agent simulation framework for neuromorphic computing

  Jupyter Notebook

  •

  BSD 3-Clause "New" or "Revised" License

  •2•5•16•4•Updated Jan 6, 2026Jan 6, 2026

• s3m-sdk-python

  Public
  Python SDK for S3M at OLCF

  0•0•4•0•Updated Jan 6, 2026Jan 6, 2026

• DataFed

  Public
  A Federated Scientific Data Management System

  portalsdata-lifecycle-managementin-situ-and-in-transit-workflows

  JavaScript

  •

  Other

  •16•27•547•20•Updated Jan 6, 2026Jan 6, 2026

• HydraGNN

  Public
  Distributed PyTorch implementation of multi-headed graph convolutional neural networks

  machine-learning

  Python

  •

  BSD 3-Clause "New" or "Revised" License

  •38•98•13•8•Updated Jan 5, 2026Jan 5, 2026

• ReSolve

  Public
  Library of GPU-resident linear solvers

  C++

  •

  Other

  •8•75•37•4•Updated Jan 5, 2026Jan 5, 2026

• HydraGNN_GFM_FineTuning4Materials

  Public
  Python

  •2•1•0•2•Updated Dec 31, 2025Dec 31, 2025

• curifactory

  Public
  An experiment workflow and organization tool.

  Python

  •

  BSD 3-Clause "New" or "Revised" License

  •0•18•60•2•Updated Dec 30, 2025Dec 30, 2025

• TASMANIAN

  Public
  The Toolkit for Adaptive Stochastic Modeling and Non-Intrusive ApproximatioN

  uncertainty-quantificationinverse-problemsreduced-order-models+ 1high-order-approximation-models

  C++

  •

  Other

  •26•72•3•0•Updated Dec 29, 2025Dec 29, 2025

• CabanaPD

  Public
  Peridynamics with the Cabana library

  high-performance-computingcomputational-mechanicskokkos+ 3cabanaperidynamicscomputational-materials-science

  C++

  •

  BSD 3-Clause "New" or "Revised" License

  •16•31•23•16•Updated Dec 29, 2025Dec 29, 2025

• ScalableWorkflow_VASP_Calculations

  Public
  Scalable workflow to generate VASP input cases with randomized atomic structures for solid solution binary and ternary alloys that span the entire compositional range

  Python

  •

  BSD 3-Clause "New" or "Revised" License

  •1•7•0•0•Updated Dec 23, 2025Dec 23, 2025

• flowcept.org

  Public
  Flowcept website

  HTML

  •

  MIT License

  •0•0•0•0•Updated Dec 21, 2025Dec 21, 2025

• ORNL.github.io

  Public
  ORNL GitHub pages related to projects repos and members on the organization

  CSS

  •

  MIT License

  •13•4•0•1•Updated Dec 19, 2025Dec 19, 2025

• cfd-verify

  Public
  A package to conduct solution verification for CFD

  Python

  •

  MIT License

  •1•2•9•1•Updated Dec 16, 2025Dec 16, 2025

• ORMATEX

  Public
  Oak Ridge Matrix Exponential toolkit

  pythonrustmatrix+ 6odeexponentialordinary-differential-equationstime-integrationode-solverjax

  Python

  •

  Other

  •2•24•1•0•Updated Dec 8, 2025Dec 8, 2025

• CaptureFOAM

  Public
  Fast, accurate simulations of direct air capture

  C++

  •

  Other

  •0•0•1•2•Updated Dec 3, 2025Dec 3, 2025

• PETINA

  Public
  Privacy prEservaTIoN Algorithms

  Python

  •

  MIT License

  •1•2•0•0•Updated Dec 2, 2025Dec 2, 2025

• SAGESim

  Public
  Python

  •

  MIT License

  •0•2•6•2•Updated Dec 2, 2025Dec 2, 2025

• carla

  Public
  Open-source simulator for autonomous driving research.

  C++

  •

  Other

  •4.4k•3•0•0•Updated Dec 1, 2025Dec 1, 2025

• DataFedDependencies

  Public
  Dependencies for DataFed Application

  Shell

  •0•0•2•1•Updated Nov 24, 2025Nov 24, 2025

• cpp-proposals-pub

  Public
  Collaborating on papers for the ISO C++ committee - public repo

  HTML

  •25•27•127•13•Updated Nov 21, 2025Nov 21, 2025

• intersect-architecture

  Public
  XSLT

  •

  Creative Commons Attribution 4.0 International

  •0•5•3•8•Updated Nov 20, 2025Nov 20, 2025

• flowcept

  Public
  Runtime provenance for AI and scientific workflows—capture, enrich, and query workflow data via observability adapters and code annotation across edge, cloud, and HPC.

  machine-learningbig-dataprovenance+ 16tensorboarddata-integrationscientific-workflowsdaskreproducibilityworkflowsparallel-processing+ 9

  Python

  •

  MIT License

  •6•11•21•0•Updated Nov 14, 2025Nov 14, 2025

• OpenSAMPL

  Public
  Python

  •

  MIT License

  •1•3•1•3•Updated Nov 10, 2025Nov 10, 2025

• superneuromat

  Public
  A matrix-based simulator for neuromorphic computing.

  Python

  •

  BSD 3-Clause "New" or "Revised" License

  •6•3•15•0•Updated Nov 9, 2025Nov 9, 2025

• VERTEX-CFD

  Public
  VERTEX-CFD: a multi-physics solver for fusion applications.

  gpu-computingcfdmhd+ 4trilinosturbulence-modelsfinite-element-methodslarge-eddy-simulation

  C++

  •

  BSD 3-Clause "New" or "Revised" License

  •7•12•2•3•Updated Nov 7, 2025Nov 7, 2025