PyPI88Excellenthealth index
Python★ 245↓ 68.2K/moOct 20, 2026
PyPI87Excellenthealth index

QoroQuantum/diviA Python library to automate generating, parallelizing, and executing quantum programs.
Python★ 23↓ 2,185/moSep 29, 2026
PyPI87Excellenthealth index

qLDPCOrg/qLDPCTools for constructing and analyzing quantum low density parity check (qLDPC) codes. Also stabilizer and subsystem codes more broadly.
Python★ 262↓ 6,378/moOct 20, 2026
crates.io · PyPI87Excellenthealth index
Rust · Python★ 22↓ 13K/moSep 14, 2026
PyPI86Excellenthealth index
Python★ 61↓ 1,810/moSep 12, 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
PyPI · npm86Excellenthealth index
C++ · Jupyter Notebook · Python★ 835↓ 282.2K/moOct 19, 2026
PyPI86Excellenthealth index

qulacs/qulacsVariational Quantum Circuit Simulator for Quantum Computation Research
C++★ 528Sep 20, 2026
PyPI84Excellenthealth index
Python · TeX★ 1,504↓ 450.3K/moSep 14, 2026
PyPI83Excellenthealth index

Qiskit/qiskit-aerAer is a high performance simulator for quantum circuits that includes noise models
C++ · Python★ 695Sep 14, 2026
PyPI81Excellenthealth index
Python★ 16↓ 3,375/moSep 18, 2026
C++ · Python★ 121Oct 12, 2026
Python★ 92↓ 781/moOct 20, 2026

quantumlib/chromobiusOpen-source implementation of a Möbius decoder for color codes used in quantum error correction (QEC)
Python · C++★ 43↓ 16.2K/moSep 10, 2026
Python★ 12Sep 15, 2026
PyPI · npm · Go69Goodhealth index
Python · Go · TypeScript★ 1↓ 1,455/moSep 10, 2026
Python★ 27↓ 212.6K/moSep 14, 2026

csnp/cryptodepsCryptographic Dependency Scanner - Identify quantum-vulnerable cryptographic algorithms in your software dependencies. Part of the QRAMM Toolkit.
Go★ 5Sep 19, 2026
Go★ 126Sep 11, 2026
PyPI · crates.io · npm65Goodhealth index
Jupyter Notebook · Rust · Python★ 2↓ 2,921/moOct 16, 2026
Python★ 20Sep 11, 2026
PyPI62Moderatehealth index

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

csnp/cryptoscanCryptographic Discovery Scanner - Find every cryptographic algorithm in your codebase and know your quantum risk - part of the QRAMM Toolkit by CSNP
Go★ 19Sep 19, 2026

Deeptiman/forgelatticeAn independent open-source research project on Lattice Cryptography and Post-Quantum Cryptography (PQC).
Go★ 2Sep 20, 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
PyPI · crates.io57Moderatehealth index

Youngcius/canopusCanopus (Canonical Optimized Placement Utility Suite) is a qubit mapping/routing framework tailored to diverse quantum ISAs, i.e., the implementation of the paper "Unifying Qubit Routing Across Diverse Quantum ISAs via Canonical Representation".
Python★ 4↓ 215/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

csnp/tls-analyzerTLS/SSL security analyzer for quantum readiness assessment and CNSA 2.0 compliance
Go★ 8Sep 19, 2026
PyPI54Moderatehealth index
Python★ 1↓ 18/moSep 12, 2026
Python · Jupyter Notebook★ 1↓ 125/moOct 19, 2026