Skip to content
@ITensor

ITensor

A software library for developing and performing state of the art tensor network calculations.
README.md

Welcome to the ITensor organization

This is the ITensor organization. This organization revolves around the Julia and C++ versions of the ITensor library for performing tensor network calculations, along with related Julia and C++ libraries.

The main developers are Matt Fishman and Miles Stoudenmire, please reach out to either of us for questions, comments, issues, or suggestions (or raise issues on a particular repository).

Pinned Loading

  1. ITensors.jl ITensors.jl Public

    A Julia library for efficient tensor computations and tensor network calculations. ITensors.jl is supported by the Simons Foundation's Flatiron Institute.

    Julia 647 132

  2. ITensorMPS.jl ITensorMPS.jl Public

    MPS and MPO methods based on ITensor (ITensors.jl). ITensorMPS.jl is supported by the Simons Foundation's Flatiron Institute.

    Julia 73 23

  3. ITensorGaussianMPS.jl ITensorGaussianMPS.jl Public

    Julia 4 3

  4. ITensorNetworks.jl ITensorNetworks.jl Public

    A package with general tools for working with higher-dimensional tensor networks based on ITensor.

    Julia 111 22

  5. ITensorWebsite ITensorWebsite Public

    New ITensor website (https://itensor.org)

    CSS 2 2

  6. ITensor ITensor Public

    A C++ library for efficient tensor network calculations

    C++ 394 169

Repositories

Showing 10 of 85 repositories
  • ITensorDocsNext Public

    Documentation for an in-progress rewrite of the ITensor ecosystem. ITensor is supported by the Simons Foundation's Flatiron Institute.

    ITensor/ITensorDocsNext’s past year of commit activity
    Julia 0 Apache-2.0 0 0 0 Updated Feb 19, 2026
  • ITensorDocs Public

    ITensor Julia ecosystem documentation. ITensor is supported by the Simons Foundation's Flatiron Institute.

    ITensor/ITensorDocs’s past year of commit activity
    Julia 0 Apache-2.0 0 0 0 Updated Feb 19, 2026
  • ITensorFormatter.jl Public

    Formats to the style used across the ITensor Julia packages.

    ITensor/ITensorFormatter.jl’s past year of commit activity
    Julia 0 Apache-2.0 0 0 3 Updated Feb 18, 2026
  • ITensorRegistry Public

    Local Julia registry for in-progress and unreleased packages

    ITensor/ITensorRegistry’s past year of commit activity
    3 2 2 0 Updated Feb 17, 2026
  • TypeParameterAccessors.jl Public
    ITensor/TypeParameterAccessors.jl’s past year of commit activity
    Julia 0 Apache-2.0 3 9 0 Updated Feb 17, 2026
  • SparseArraysBase.jl Public

    Multidimensional sparse array library. SparseArraysBase.jl is supported by the Simons Foundation's Flatiron Institute.

    ITensor/SparseArraysBase.jl’s past year of commit activity
    Julia 1 Apache-2.0 1 9 0 Updated Feb 17, 2026
  • ITensorActions Public

    Shared workflows for the ITensors Julia packages

    ITensor/ITensorActions’s past year of commit activity
    0 2 0 0 Updated Feb 17, 2026
  • ITensors.jl Public

    A Julia library for efficient tensor computations and tensor network calculations. ITensors.jl is supported by the Simons Foundation's Flatiron Institute.

    ITensor/ITensors.jl’s past year of commit activity
    Julia 647 Apache-2.0 132 80 2 Updated Feb 16, 2026
  • ITensorNetworksNext.jl Public

    A rewrite of ITensorNetworks.jl based on ITensorBase.jl/NamedDimsArrays.jl.

    ITensor/ITensorNetworksNext.jl’s past year of commit activity
    Julia 2 Apache-2.0 2 0 9 Updated Feb 16, 2026
  • VisualizationBase.jl Public

    An interface for visualizing Julia objects and expressions.

    ITensor/VisualizationBase.jl’s past year of commit activity
    Julia 0 Apache-2.0 0 0 0 Updated Feb 16, 2026
View all repositories