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@quantumlib

quantumlib

Google's open-source software for the quantum world.

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  1. Cirq Cirq Public

    Python framework for creating, editing, and invoking Noisy Intermediate-Scale Quantum (NISQ) circuits.

    Python 4.7k 1.1k

  2. Qualtran Qualtran Public

    Qᴜᴀʟᴛʀᴀɴ is a Python library for expressing and analyzing Fault Tolerant Quantum algorithms.

    Python 246 78

  3. qsim qsim Public

    Fast C++ and Python library for state-vector simulation of quantum circuits.

    C++ 602 184

  4. OpenFermion OpenFermion Public

    Python package for compiling and analyzing quantum algorithms to simulate electronic structures.

    Python 1.6k 401

  5. Stim Stim Public

    A fast stabilizer circuit library.

    C++ 556 162

  6. ReCirq ReCirq Public

    Python modules for quantum computing applications and experiments using Cirq. Research using Cirq!

    Python 292 125

Repositories

Showing 10 of 18 repositories
  • ReCirq Public

    Python modules for quantum computing applications and experiments using Cirq. Research using Cirq!

    quantumlib/ReCirq’s past year of commit activity
    Python 292 Apache-2.0 125 13 (13 issues need help) 3 Updated Oct 9, 2025
  • Qualtran Public

    Qᴜᴀʟᴛʀᴀɴ is a Python library for expressing and analyzing Fault Tolerant Quantum algorithms.

    quantumlib/Qualtran’s past year of commit activity
    Python 246 Apache-2.0 78 214 38 Updated Oct 8, 2025
  • OpenFermion Public

    Python package for compiling and analyzing quantum algorithms to simulate electronic structures.

    quantumlib/OpenFermion’s past year of commit activity
    Python 1,626 Apache-2.0 401 46 (6 issues need help) 16 Updated Oct 9, 2025
  • Cirq Public

    Python framework for creating, editing, and invoking Noisy Intermediate-Scale Quantum (NISQ) circuits.

    quantumlib/Cirq’s past year of commit activity
    Python 4,722 Apache-2.0 1,141 137 (20 issues need help) 33 Updated Oct 8, 2025
  • qsim Public

    Fast C++ and Python library for state-vector simulation of quantum circuits.

    quantumlib/qsim’s past year of commit activity
    C++ 602 Apache-2.0 184 50 14 Updated Oct 2, 2025
  • unitary Public

    Open-source API library providing common operations for adding quantum behaviors to games.

    quantumlib/unitary’s past year of commit activity
    OpenQASM 38 Apache-2.0 28 18 4 Updated Oct 2, 2025
  • tesseract-decoder Public

    Search-based decoder for quantum error correction (QEC) written in C++ and Python.

    quantumlib/tesseract-decoder’s past year of commit activity
    C++ 80 Apache-2.0 17 11 8 Updated Sep 29, 2025
  • Stim Public

    A fast stabilizer circuit library.

    quantumlib/Stim’s past year of commit activity
    C++ 556 Apache-2.0 162 55 14 Updated Sep 26, 2025
  • TypedUnits Public

    A fast units and dimensions library with support for static dimensionality checking and protobuffer serialization.

    quantumlib/TypedUnits’s past year of commit activity
    Python 8 Apache-2.0 5 1 1 Updated Sep 25, 2025
  • chromobius Public

    Open-source implementation of a "mobius decoder" for color codes used in quantum error correction (QEC)

    quantumlib/chromobius’s past year of commit activity
    Python 21 Apache-2.0 5 8 14 Updated Sep 3, 2025

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