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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 236 74

  3. qsim qsim Public

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

    C++ 599 181

  4. OpenFermion OpenFermion Public

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

    Python 1.6k 399

  5. Stim Stim Public

    A fast stabilizer circuit library.

    C++ 533 156

  6. ReCirq ReCirq Public

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

    Python 290 124

Repositories

Showing 10 of 18 repositories
  • Cirq Public

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

    quantumlib/Cirq’s past year of commit activity
    Python 4,693 Apache-2.0 1,136 151 (23 issues need help) 29 Updated Sep 3, 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 22 Apache-2.0 5 4 6 Updated Sep 3, 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 4 1 Updated Sep 3, 2025
  • ReCirq Public

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

    quantumlib/ReCirq’s past year of commit activity
    Python 290 Apache-2.0 124 17 (2 issues need help) 5 Updated Sep 3, 2025
  • OpenFermion Public

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

    quantumlib/OpenFermion’s past year of commit activity
    Python 1,617 Apache-2.0 399 48 (6 issues need help) 13 Updated Sep 2, 2025
  • qsim Public

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

    quantumlib/qsim’s past year of commit activity
    C++ 599 Apache-2.0 181 51 11 Updated Sep 2, 2025
  • unitary Public

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

    quantumlib/unitary’s past year of commit activity
    OpenQASM 39 Apache-2.0 28 18 4 Updated Sep 1, 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++ 76 Apache-2.0 15 9 7 Updated Aug 31, 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 236 Apache-2.0 74 205 37 Updated Aug 25, 2025
  • Stim Public

    A fast stabilizer circuit library.

    quantumlib/Stim’s past year of commit activity
    C++ 533 Apache-2.0 156 56 10 Updated Aug 21, 2025
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