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Qiskit/qiskitQiskit is an open-source SDK for working with quantum computers at the level of extended quantum circuits, operators, and primitives.
Python · Rust★ 7,753↓ 1.2M/moAug 28, 2026
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quantumlib/CirqPython framework for creating, editing, and running Noisy Intermediate-Scale Quantum (NISQ) circuits.
Python★ 5,054↓ 796.3K/moAug 28, 2026
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PennyLaneAI/pennylanePennyLane is an open-source quantum software platform for quantum computing, quantum machine learning, and quantum chemistry. Create meaningful quantum algorithms, from inspiration to implementation.
Python★ 3,469↓ 199.1K/moSep 17, 2026
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Python★ 118Sep 18, 2026
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Python★ 373↓ 86.7K/moSep 11, 2026
crates.io · npm96Exceptionalhealth index

microsoft/qdkMicrosoft Quantum Development Kit, including the Q# programming language, resource estimator, and Quantum Katas
Rust★ 1,005Sep 13, 2026
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C++ · Python★ 73Sep 17, 2026
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munich-quantum-toolkit/coreMQT Core - Reusable C++20 and Python libraries for quantum computing: the MQT Compiler Collection, built on MLIR and LLVM, together with decision diagrams, QIR execution, QDMI device access, SDK and HPC integrations, and structured benchmarks. It forms the backbone of the Munich Quantum Toolkit.
C++★ 136↓ 29.4K/moSep 18, 2026
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C++ · Python★ 120↓ 20.4K/moOct 15, 2026
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Python★ 238↓ 1,613/moSep 18, 2026
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quantumlib/OpenFermionPython package for compiling and analyzing quantum algorithms to simulate electronic structures.
Python★ 1,734Sep 11, 2026
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Python★ 117↓ 15.1K/moOct 15, 2026
PyPI · crates.io94Exceptionalhealth index
Python★ 146↓ 66.2K/moSep 16, 2026
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Python★ 366↓ 20.1K/moOct 14, 2026
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Python★ 62Sep 14, 2026
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Python · Cython★ 2,074↓ 220.9K/moSep 17, 2026
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Quantinuum/tketSource code for the TKET quantum compiler, Python bindings and utilities
C++ · Python★ 315↓ 123.8K/moAug 24, 2026
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Python★ 1,498↓ 30K/moSep 30, 2026
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tqec/tqecDesign automation software tools for Topological Quantum Error Correction
Python★ 381↓ 4,992/moSep 10, 2026
PyPI · crates.io92Excellenthealth index
Rust★ 64↓ 58.8K/moOct 20, 2026
PyPI92Excellenthealth index
Python★ 87↓ 149/moSep 12, 2026
PyPI · npm92Excellenthealth index
Python · OpenQASM · Jupyter Notebook★ 56↓ 31/moOct 19, 2026
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zxcalc/pyzxPython library for quantum circuit rewriting and optimisation using the ZX-calculus
OpenQASM · Jupyter Notebook · QuakeC★ 549↓ 24.4K/moOct 9, 2026
PyPI91Excellenthealth index
Python★ 302↓ 25.9K/moOct 19, 2026
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pasqal-io/PulserLibrary for pulse-level/analog control of neutral atom devices. Emulator with QuTiP.
Python★ 253↓ 8,973/moOct 19, 2026
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qiskit-community/qrmiThin and vendor agnostic layer to access, control and monitor underlying on-prem or cloud quantum computers
Rust · Python★ 65↓ 2,353/moOct 16, 2026
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Quantinuum/hugrHierarchical Unified Graph Representation for quantum and classical programs
Rust · Python★ 72↓ 126.7K/moOct 21, 2026
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qiboteam/qibocalQuantum calibration, characterization and validation module for Qibo.
Python★ 42↓ 337/moSep 15, 2026
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vprusso/toqito|toqito> (Theory of Quantum Information Toolkit) is a Python library for research in quantum information theory.
Python★ 290Sep 9, 2026
PyPI · crates.io89Excellenthealth index
Rust · Python★ 25↓ 278/moOct 19, 2026