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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 229 74

  3. qsim qsim Public

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

    C++ 590 179

  4. OpenFermion OpenFermion Public

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

    Python 1.6k 397

  5. Stim Stim Public

    A fast stabilizer circuit library.

    C++ 525 153

  6. ReCirq ReCirq Public

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

    Python 291 127

Repositories

Showing 10 of 18 repositories
  • 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++ 68 Apache-2.0 14 5 5 Updated Aug 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 229 Apache-2.0 74 205 36 Updated Aug 8, 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 4,680 Apache-2.0 1,130 149 (25 issues need help) 27 Updated Aug 7, 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 5 Updated Aug 7, 2025
  • Stim Public

    A fast stabilizer circuit library.

    quantumlib/Stim’s past year of commit activity
    C++ 525 Apache-2.0 153 55 8 Updated Aug 6, 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 291 Apache-2.0 127 31 10 Updated Aug 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++ 590 Apache-2.0 179 56 11 Updated Jul 31, 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 4 4 1 Updated Jul 28, 2025
  • OpenFermion Public

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

    quantumlib/OpenFermion’s past year of commit activity
    Python 1,616 Apache-2.0 397 48 (6 issues need help) 9 Updated Jul 25, 2025
  • qsimcirq-feedstock Public Forked from conda-forge/qsimcirq-feedstock

    Temporary fork of conda-smithy repository for qsimcirq.

    quantumlib/qsimcirq-feedstock’s past year of commit activity
    Shell 0 BSD-3-Clause 5 0 0 Updated Jun 6, 2025
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