Catalyst
Catalyst: a Python JIT compiler for auto-differentiable hybrid quantum programs - Published in JOSS (2024)
MQT Core
MQT Core: The Backbone of the Munich Quantum Toolkit (MQT) - Published in JOSS (2025)
toqito -- Theory of quantum information toolkit
toqito -- Theory of quantum information toolkit: A Python package for studying quantum information - Published in JOSS (2021)
PurpleCaffeine
PurpleCaffeine: tracking of quantum programs and experiments - Published in JOSS (2023)
qiskit
Qiskit is an open-source SDK for working with quantum computers at the level of extended quantum circuits, operators, and primitives.
QDistRnd
QDistRnd: A GAP package for computing the distance of quantum error-correcting codes - Published in JOSS (2022)
cirq
Python framework for creating, editing, and invoking Noisy Intermediate-Scale Quantum (NISQ) circuits.
mitiq
Mitiq is an open source toolkit for implementing error mitigation techniques on most current intermediate-scale quantum computers.
qsim
Fast C++ and Python library for state-vector simulation of quantum circuits.
filter-functions
Efficient numerical calculation of generalized filter functions
tensorcircuit
Tensor network based quantum software framework for the NISQ era
openfermion
Python package for compiling and analyzing quantum algorithms to simulate electronic structures.
tensorcircuit-ng
The next-gen tensor network based quantum software framework: superseding the original TensorCircuit
pennylane-lightning
The Lightning plugin ecosystem provides fast quantum state-vector and tensor network simulators written in C++ for use with PennyLane.
prototype-zne
Zero Noise Extrapolation (ZNE) prototype for error mitigation on the Qiskit Estimator primitive
qsharp
Azure Quantum Development Kit, including the Q# programming language, resource estimator, and Quantum Katas
mqt-qubomaker
A framework for the automatic generation of QUBO formulations for optimization problems.
quantum-evolution-kernel
A Graph Machine Learning library using Quantum Computing
quantum-gates
Noisy Quantum Gates model for simulating the noise of quantum devices.
qnetvo
Simulate and optimize quantum communication networks using quantum computers.
https://github.com/qiskit-community/prototype-entanglement-forging
A module for simulating chemical and physical systems using a Variational Quantum Eigensolver (VQE) enhanced by Entanglement Forging.
https://github.com/cqcl/guppylang
Pythonic quantum-classical programming language
quara
Quara, which stands for "Quantum Characterization", is an open-source library for characterizing elementary quantum operations.
Piccolo
A Julia package for solving quantum optimal control problems using direct trajectory optimization.
qcd
Quantum Circuit Designer: A gymnasium-based set of environments for benchmarking reinforcement learning for quantum circuit design.
qclib
Qclib is a quantum computing library implemented using qiskit. The focus of qclib is on preparing quantum states, but it is not limited to that.
bilp-q
This repository contains the code to reproduce the results presented in the paper BILP-Q: Quantum Coalition Structure Generation
coto
🔨 Research & C++ implementation on abstract additive Quantum Decision Diagrams 📚
active-time-theory-validation
Validating the Active Time Theory Using Quantum Computers
min-entropy_and_mbqc
Solving quantum comb min-entropy semi-definite programs for measurement-based quantum computing applications
quantum-computing-qiskit-tool-wizard
The Quantum Computing Qiskit Tool Wizard software is purpose-built for Quantum Application Developers across industries who require a fast, reliable, and standardized way to set up their quantum development environments. The tool automates the creation of a Qiskit compliant virtual environment, tailored specifically for quantum application design.
quantum-computing-using-imp-presto
This repository contains quantum computer interface code, that configures quantum processor operations using the IMP Presto AWG lock-in amplifier. This repository includes post-processing and fitting code that does not depend on using this particular device, but may take any data from superconducting quantum computing experiments.
mirror-gates
mirror-decomposition integrated routing for algorithm gate efficiency
PauliPopRec
Learning sparse Pauli noise using the population recovery algorithm.
classical-shadow-vqe
Qiskit implementation of classical shadow formalism with VQE for calculating ground state energies of molecules
active-time-hypothesis
Reimagining Quantum Non-Locality: Simulating Entangled Systems with the Active Time Hypothesis
tno.quantum.problems.portfolio_optimization
Python code that converts the multi-objective portfolio optimization problem into a QUBO problem.
tesseract-decoder
Search-based decoder for quantum error correction (QEC) written in C++ and Python.
qualtran
Qᴜᴀʟᴛʀᴀɴ is a Python library for expressing and analyzing Fault Tolerant Quantum algorithms.
qml-essentials
Python package with commonly used Ansaetze, tools and data-reuploading model in quantum machine learning.
lightworks
Lightworks is an open-source Python SDK for photonic quantum computing.
qrack
Comprehensive, GPU accelerated framework for developing universal virtual quantum processors
indirect-zne
Quantum error mitigation using Zero Noise Extrapolation (ZNE) in indirect-control system
qandle
QANDLE is a fast and simple quantum state-vector simulator for hybrid machine learning using the PyTorch library.
qunfold
Quantum Annealing for distribution unfolding in experimental High-Energy Physics
qdna-lib
Qdna-lib aim to pioneer advancements that not only push the boundaries of quantum computing but also provide benefits to the field of data science and artificial intelligence.
pyxsec
Python framework to measure differential cross-sections of particle physics processes using classical- and quantum-computing based unfolding techniques.
qiskit-serverless
A programming model for leveraging quantum and classical resources
pyqasm
Python toolkit providing OpenQASM 3 semantic analyzer and utilities for program analysis and compilation.
qiskit-addon-sqd
Sample-based Quantum Diagonalization: Classically postprocess noisy quantum samples to yield more accurate eigenvalue estimations.
quantum-optical-network
A quantum optical setup to classify states using multiple hidden neurons.
quantum-molecular-encodings
Data and codes used in Boy et al. (2025) - Quantum molecular structure encoding
sdiagonalizability.jl
A dynamic algorithm to minimize or recognize the S-bandwidth of an undirected graph, written in Julia.
active-time-theory-quantum-tunneling
Simulation of Quantum Tunneling Dynamics Validates Signatures of Active Time
quantum-maxcut
A quantum algorithm for the maximum cut problem in arbitrary graphs. Implementation using Qiskit.
oqtopus-cloud
Open Quantum Toolchain for OPerators & USers (OQTOPUS) is a project that provides the architecture of cloud quantum computers as an open-source software (OSS).
qole
An easy-to-use simulator for Quantum Circuits for JavaScript, based on Quantum Multiple-Valued Decision Diagrams.
vmbqc
Designing Variational Measurement-Based Quantum Computing algorithm for generative learning tasks
active-time-hypothesis2
The Active Time Hypothesis: Unveiling Temporal Dynamics in Quantum Entanglement
extra-dimensional-muon-anomalies
Quantum Simulation of Extra-Dimensional Contributions to Muon Anomalies