PyPI · crates.io99Exceptionalhealth index

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
PyPI98Exceptionalhealth index

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
PyPI98Exceptionalhealth index
Python★ 239↓ 374.8K/moOct 19, 2026
PyPI98Exceptionalhealth index
Python★ 118Sep 18, 2026
PyPI96Exceptionalhealth index

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
PyPI96Exceptionalhealth index
C++ · Python★ 120↓ 20.4K/moOct 15, 2026
PyPI96Exceptionalhealth index
Python★ 238↓ 1,613/moSep 18, 2026
PyPI92Excellenthealth index
Python★ 87↓ 149/moSep 12, 2026
PyPI · npm92Excellenthealth index
Python · OpenQASM · Jupyter Notebook★ 56↓ 31/moOct 19, 2026
PyPI92Excellenthealth index
Python · Jupyter Notebook★ 64↓ 43.9K/moSep 14, 2026
PyPI · crates.io91Excellenthealth index

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
PyPI87Excellenthealth index

QoroQuantum/diviA Python library to automate generating, parallelizing, and executing quantum programs.
Python★ 23↓ 2,185/moSep 29, 2026
PyPI · crates.io · npm86Excellenthealth index

anulum/scpn-quantum-controlEvidence-governed quantum simulation of coupled-oscillator synchronisation — Kuramoto–XY workloads on Superconducting Computers, raw counts + hash-bound result packs, preregistered protocols.
Python★ 3↓ 243/moSep 13, 2026
PyPI83Excellenthealth index

Qiskit/qiskit-aerAer is a high performance simulator for quantum circuits that includes noise models
C++ · Python★ 695Sep 14, 2026
Python★ 27↓ 212.6K/moSep 14, 2026
PyPI63Moderatehealth index

neuralsorcerer/qbalanceA workflow toolkit for balancing quantum compilation, suppression, and mitigation choices over a dataset of quantum circuits.
Python★ 3↓ 40/moSep 11, 2026
PyPI62Moderatehealth index

TheQuantAI/quantsdkWrite quantum code once, run anywhere — a framework-agnostic quantum computing SDK
Python★ 0↓ 40/moSep 13, 2026
PyPI · crates.io57Moderatehealth index

GuillaumeLessard/qector-decoderProduction-grade Rust/Python quantum error correction decoder. 25+ decoder families: MWPM Blossom, Union-Find, BP-OSD, LDPC/qLDPC, belief-matching, CUDA/GPU batch decoding, AutoDecoder 7-tier fallback. PyMatching/Stim/Sinter compatible. Ed25519 license verification. Benchmark evidence included.
Python★ 1↓ 780/moSep 13, 2026
crates.io · PyPI56Moderatehealth index

hiq-lab/arvakRust HAL for quantum hardware. One Python API across IBM, IQM, Quantinuum, AQT, IonQ, Quandela, Scaleway, AWS Braket, NVIDIA CUDA-Q, MQT DDSIM and a local simulator, with Qiskit / Cirq / Qrisp / PennyLane as input converters.
Rust · Python★ 2Sep 10, 2026
PyPI50Moderatehealth index
Python★ 2↓ 2,743/moOct 3, 2026
Python · Jupyter Notebook★ 1↓ 125/moOct 19, 2026
JavaScript★ 274↓ 377K/moSep 18, 2026