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@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).

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  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 649 132

  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 75 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++ 395 170

Repositories

Showing 10 of 87 repositories
  • 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 10 1 Updated Mar 4, 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 Mar 4, 2026
  • ITensorActions Public

    Shared workflows for the ITensors Julia packages

    ITensor/ITensorActions’s past year of commit activity
    0 2 0 0 Updated Mar 4, 2026
  • ITensorPkgSkeleton.jl Public

    Template for ITensor packages. ITensorPkgSkeleton.jl is supported by the Simons Foundation's Flatiron Institute.

    ITensor/ITensorPkgSkeleton.jl’s past year of commit activity
    Julia 1 Apache-2.0 2 5 0 Updated Mar 4, 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 1 1 Updated Mar 4, 2026
  • ITensorNetworks.jl Public

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

    ITensor/ITensorNetworks.jl’s past year of commit activity
    Julia 111 Apache-2.0 22 49 14 Updated Mar 4, 2026
  • ITensorDocsNext.jl Public

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

    ITensor/ITensorDocsNext.jl’s past year of commit activity
    Julia 0 Apache-2.0 0 1 0 Updated Mar 3, 2026
  • ITensorDocs.jl Public

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

    ITensor/ITensorDocs.jl’s past year of commit activity
    Julia 0 Apache-2.0 0 1 0 Updated Mar 3, 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 649 Apache-2.0 132 79 3 Updated Mar 3, 2026
  • NamedDimsArrays.jl Public
    ITensor/NamedDimsArrays.jl’s past year of commit activity
    Julia 1 Apache-2.0 2 10 0 Updated Mar 2, 2026
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