Catalyst
Catalyst: a Python JIT compiler for auto-differentiable hybrid quantum programs - Published in JOSS (2024)
quimb
quimb: A python package for quantum information and many-body calculations - Published in JOSS (2018)
toqito -- Theory of quantum information toolkit
toqito -- Theory of quantum information toolkit: A Python package for studying quantum information - Published in JOSS (2021)
The Walrus
The Walrus: a library for the calculation of hafnians, Hermite polynomials and Gaussian boson sampling - Published in JOSS (2019)
qiskit
Qiskit is an open-source SDK for working with quantum computers at the level of extended quantum circuits, operators, and primitives.
cirq
Python framework for creating, editing, and invoking Noisy Intermediate-Scale Quantum (NISQ) circuits.
PhotonWeave
PhotonWeave - Published in JOSS (2025)
QuaCa
QuaCa: an open-source library for fast calculations of steady-state quantum friction - Published in JOSS (2023)
qsim
Fast C++ and Python library for state-vector simulation of quantum circuits.
Bloch: a strongly typed, hardware-agnostic, hybrid quantum programming language
Bloch: a strongly typed, hardware-agnostic, hybrid quantum programming language - Published in JOSS (2026)
QComms QKD Software Toolkit
QComms QKD Software Toolkit - Published in JOSS (2019)
tensorcircuit
Tensor network based quantum software framework for the NISQ era
openfermion
Python package for compiling and analyzing quantum algorithms to simulate electronic structures.
mpskit.jl
A Julia package dedicated to simulating quantum many-body systems using Matrix Product States (MPS)
QuantumOptics
Library for the numerical simulation of closed as well as open quantum systems.
qsharp
Azure Quantum Development Kit, including the Q# programming language, resource estimator, and Quantum Katas
quantum-gates
Noisy Quantum Gates model for simulating the noise of quantum devices.
pennylane
PennyLane is a cross-platform Python library for quantum computing, quantum machine learning, and quantum chemistry. Built by researchers, for research.
libcommute
A quantum operator algebra domain-specific language and exact diagonalization toolkit for C++11/14/17
https://github.com/agnostiqhq/covalent
Pythonic tool for orchestrating machine-learning/high performance/quantum-computing workflows in heterogeneous compute environments.
cuda-quantum
C++ and Python support for the CUDA Quantum programming model for heterogeneous quantum-classical workflows
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.
interlin-q
A Quantum Interconnect Simulator for Distributed Quantum Algorithms
https://github.com/juliaquantumcontrol/krotov.jl
Julia implementation of Krotov's method for quantum optimal control
https://github.com/agnostiqhq/covalent-aws-plugins
Executor plugins interfacing Covalent with various AWS compute platforms
https://github.com/compwa/expertsystem
Rule based particle reaction problem solver on a quantum number level
https://github.com/aryashah2k/quantum-computing-collection-of-resources
A Well Maintained Repository On Quantum Computing Resources [Code+Theory] Updated Regularly During My Time At IBM, Qubit x Qubit And The Coding School's Introduction To Quantum Computing Course '21
https://github.com/aspuru-guzik-group/qtorch
qTorch (Quantum Tensor Contraction Handler) https://arxiv.org/abs/1709.03636 -> for quantum simulation using tensor networks
active-time-hypothesis2
The Active Time Hypothesis: Unveiling Temporal Dynamics in Quantum Entanglement
scalarstack
A harmonic symbolic framework for scalar geometry, recursive physics, and quantum emergence.
pypi-qiskit-connector
Qiskit connector is quantum computing SDK extension which is a helper for Qiskit runtime service that streamlines authentication, plan detection, and backend selection for quantum computing algorithms. using Qiskit connector intelligence Core.
thereminq-tensors
ThereminQ Tensors - Quant/AgentOPS - run diverse GPU / HPC enabled Quantum Jupyter notebooks; Shors' and QI derivatives in a WebUI
unitary
API library providing common operations for adding quantum behaviors to games.
https://github.com/cqcl/quixer
Code repository for the preprint "Quixer: A Quantum Transformer Model"
nbed
Python package to reduce the qubit requirements of quantum simulation by embedding into DFT.
py-ste
A Python package for evolving states under the Schrödinger equation using first-order Suzuki-Trotter and computing switching functions.
suzuki-trotter-evolver
A C++ header-only library for evolving states under the Schrödinger equation using first-order Suzuki-Trotter and computing switching functions.
ml-tools-for-qm
We use Neural Quantum States (NQS) to predict bound-state properties of various quantum systems
qst
A public Python package to perform quantum state tomography through maximum likelihood estmation
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.
https://github.com/darkstarstrix/qsolvers
The Swiss Army Knife of Applied Quantum Technology
qc-cugbasis
High performance CUDA/Python library for computing quantum chemistry density-based descriptors for larger systems using GPUs.
pomerol
Exact diagonalization, Lehmann's representation, Two-particle Green's functions
frustrated_quantum_convolutional_kernels
Magnetic frustration as a conceptual guide to quantum algorithm design
qualtran
Qᴜᴀʟᴛʀᴀɴ is a Python library for expressing and analyzing Fault Tolerant Quantum algorithms.
lightworks
Lightworks is an open-source Python SDK for photonic quantum computing.
https://github.com/comp-physics/qlbm-frugal
A resource frugal quantum lattice Boltzmann method
QuantumACES.jl
QuantumACES.jl: design noise characterisation experiments for quantum computers - Published in JOSS (2025)
nonhermitianfermidiracdistributionpersistentcurrent
This repository contains the code developed to accompany the Letter: Non-Hermitian Fermi-Dirac Distribution in Persistent Current Transport.
https://github.com/argonne-lcf/chemgraph
Agentic framework for computational chemistry and materials science workflows
https://github.com/agnostiqhq/covalent_tutorials_ieee_2023
Tutorial notebooks for QCE at IEEE 2023 in Bellevue, Washington
qrack
Comprehensive, GPU accelerated framework for developing universal virtual quantum processors
https://github.com/ashtonsbradley/vortexdistributions.jl
Fast accurate creation, detection and analysis of quantum vortex distributions.
HierarchicalEOM
An efficient Julia framework for Hierarchical Equations of Motion (HEOM) in open quantum systems
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.
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).
quantum-walks
A python package for discret time quantum walk with custom shift and coin operators
https://github.com/open-quantum-platform/openqp
The main repository of Open Quantum Platform (OpenQP) maintained by Choi Group at KNU.
quantum-state-tomography-with-classical-shadows-from-scratch
A step-by-step implementation of quantum state tomography protocol with classical shadows.
quantumve
Vision Transformer embeddings enable scalable quantum SVMs with real-world accuracy gains.
recirq
Python modules for quantum computing applications and experiments using Cirq. Research using Cirq!
https://github.com/agnostiqhq/quantum-variational-rewinding
Covalent demonstration of the QVR algorithm using a cryptocurrency time series use case
lepton
Lepton is an educational collection of quantum simulators designed to run on small devices.
https://github.com/albertnieto/quantum-logic-gates-exercises
Quantum Logic Gates exercises - Bell states, quantum addition, and teleportation algorithm implementation in Python using QISKit Quantum Lab.
sympt
Symbolic Perturbation Theory (SymPT) is a Python package for symbolic perturbative transformations on quantum systems. SymPT helps compute effective Hamiltonians for both time-independent and time-dependent systems at both operator and matrix level.
