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@ITensor

ITensor

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

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 686 147

  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 86 27

  3. ITensorGaussianMPS.jl ITensorGaussianMPS.jl Public

    Julia 6 4

  4. ITensorNetworks.jl ITensorNetworks.jl Public

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

    Julia 130 24

  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++ 406 171

Repositories

Showing 10 of 93 repositories
  • ITensor/RemoteArrays.jl's past year of commit activity
    Julia 0 Apache-2.0 0 0 0 Updated Oct 16, 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 0 0 Updated Oct 16, 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 0 0 Updated Oct 16, 2026
  • ITensorNetworksNext.jl Public

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

    ITensor/ITensorNetworksNext.jl's past year of commit activity
    Julia 3 Apache-2.0 3 3 6 Updated Oct 15, 2026
  • ITensor/ITensorMakie.jl's past year of commit activity
    Julia 0 Apache-2.0 0 1 0 Updated Oct 15, 2026
  • ITensor/ITensorGLMakie.jl's past year of commit activity
    Julia 0 Apache-2.0 0 1 0 Updated Oct 15, 2026
  • ITensorBase.jl Public

    A next-generation rewrite of ITensors.jl

    ITensor/ITensorBase.jl's past year of commit activity
    Julia 0 Apache-2.0 0 2 6 Updated Oct 15, 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 9 Updated Oct 15, 2026
  • NamedGraphs.jl Public

    Extension of `Graphs.jl` to graphs with named vertices.

    ITensor/NamedGraphs.jl's past year of commit activity
    Julia 10 Apache-2.0 5 24 0 Updated Oct 15, 2026
  • ITensor/ITensorGaussianMPS.jl's past year of commit activity
    Julia 6 Apache-2.0 4 2 0 Updated Oct 15, 2026