Repositories list

• HydraGNN

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

  machine-learning

  machine-learning

  Python

  •

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

  •40•103•13•10•Updated Mar 13, 2026Mar 13, 2026

• reno

  Public
  System dynamics modeling library for Python

  Jupyter Notebook

  •

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

  •0•3•0•0•Updated Mar 13, 2026Mar 13, 2026

• HeCBench

  Public
  benchmarkperformanceopenmp+ 6

  benchmarkperformanceopenmpcudahipportabilitysyclparallel-programmingheterogeneous-computing

  C++

  •

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

  •99•281•1•2•Updated Mar 13, 2026Mar 13, 2026

• SAGESim

  Public
  Python

  •

  MIT License

  •0•3•6•0•Updated Mar 13, 2026Mar 13, 2026

• superneuroabm

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

  Jupyter Notebook

  •

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

  •2•5•13•3•Updated Mar 13, 2026Mar 13, 2026

• software-catalog

  Public
  Home of the ORNL software catalog

  JavaScript

  •

  MIT License

  •5•6•1•0•Updated Mar 13, 2026Mar 13, 2026

• VERTEX-CFD

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

  gpu-computingcfdmhd+ 4

  gpu-computingcfdmhdtrilinosturbulence-modelsfinite-element-methodslarge-eddy-simulation

  C++

  •

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

  •7•12•2•3•Updated Mar 13, 2026Mar 13, 2026

• DataFed

  Public
  A Federated Scientific Data Management System

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

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

  JavaScript

  •

  Other

  •16•27•553•17•Updated Mar 12, 2026Mar 12, 2026

• ExaGO

  Public
  Optimal power flow analysis software.

  C++

  •

  Other

  •0•5•2•2•Updated Mar 12, 2026Mar 12, 2026

• ReSolve

  Public
  Library of GPU-resident linear solvers

  C++

  •

  Other

  •9•76•35•6•Updated Mar 12, 2026Mar 12, 2026

• CabanaPD

  Public
  Peridynamics with the Cabana library

  high-performance-computingcomputational-mechanicskokkos+ 3

  high-performance-computingcomputational-mechanicskokkoscabanaperidynamicscomputational-materials-science

  C++

  •

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

  •17•33•26•24•Updated Mar 12, 2026Mar 12, 2026

• AdditiveFOAM

  Public
  A continuum physics code for additive manufacturing built on OpenFOAM

  openfoamsimulation-modelingfluid-flow+ 2

  openfoamsimulation-modelingfluid-flowheat-transportadditive-manufactering

  C++

  •

  Other

  •14•54•5•3•Updated Mar 12, 2026Mar 12, 2026

• curifactory

  Public
  An experiment workflow and organization tool.

  Python

  •

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

  •0•18•60•2•Updated Mar 11, 2026Mar 11, 2026

• GridKit

  Public
  Modeling framework for power systems simulations and analysis.

  C++

  •

  Other

  •7•17•38•6•Updated Mar 10, 2026Mar 10, 2026

• MATEY

  Public
  Scalable open-source codebase for developing spatiotemporal foundation models for multiscale multiphysics systems

  Jupyter Notebook

  •

  MIT License

  •4•4•3•3•Updated Mar 10, 2026Mar 10, 2026

• ORNL.github.io

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

  CSS

  •

  MIT License

  •13•4•0•0•Updated Mar 9, 2026Mar 9, 2026

• OpenSAMPL

  Public
  Python

  •

  MIT License

  •1•3•1•4•Updated Mar 6, 2026Mar 6, 2026

• superneuro

  Public
  Neuromorphic simulator with two modes of computation

  Jupyter Notebook

  •1•10•1•0•Updated Mar 4, 2026Mar 4, 2026

• PDnetwork

  Public
  HTML

  •

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

  •0•0•0•1•Updated Mar 4, 2026Mar 4, 2026

• s3m-sdk-python

  Public
  Python SDK for S3M at OLCF

  Python

  •0•0•4•0•Updated Mar 4, 2026Mar 4, 2026

• ChatHPC

  Public
  Repository for the main ChatHPC website and landing page to access the open source artifacts and documentation.

  SCSS

  •

  MIT License

  •0•1•0•0•Updated Feb 27, 2026Feb 27, 2026

• uCaspian

  Public
  Original uCaspian design repo (FPGA/HW)

  SystemVerilog

  •

  MIT License

  •0•0•0•0•Updated Feb 25, 2026Feb 25, 2026

• Caspian

  Public
  Software repository for the Caspian neuromorphic system.

  C++

  •

  MIT License

  •0•0•0•0•Updated Feb 25, 2026Feb 25, 2026

• superneuromat

  Public
  A matrix-based simulator for neuromorphic computing.

  Python

  •

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

  •6•4•10•0•Updated Feb 25, 2026Feb 25, 2026

• HydraGNN_GFM_FineTuning4Materials

  Public
  Python

  •3•2•0•0•Updated Feb 24, 2026Feb 24, 2026

• DDStore

  Public
  Enabling efficient distributed data loading for distributed data parallelism

  C++

  •

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

  •2•5•0•0•Updated Feb 23, 2026Feb 23, 2026

• wave-dp

  Public
  Python

  •

  GNU General Public License v3.0

  •0•0•0•0•Updated Feb 23, 2026Feb 23, 2026

• flowcept

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

  machine-learningbig-dataprovenance+ 16

  machine-learningbig-dataprovenancetensorboarddata-integrationscientific-workflowsdaskreproducibilityworkflowsparallel-processing+ 9

  Python

  •

  MIT License

  •7•14•15•0•Updated Feb 21, 2026Feb 21, 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 Feb 20, 2026Feb 20, 2026

• picker-xl

  Public
  Python scripts for using the PickerXL model, which operates on seismic single station data to pick primary and secondary waves.

  Python

  •

  GNU General Public License v3.0

  •2•5•0•0•Updated Feb 20, 2026Feb 20, 2026