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Curated list of open-source quantum software projects.

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Open-Source Quantum Software Projects

Curated list of open-source developed quantum software projects.

Please read the contribution guidelines before contributing.

Also please check out the Unitary Fund's 4k$ grant project for quantum OSS!


For a curated list of learning resources please check out desireevl's repo.

Quantum full-stack libraries

C++ - staq - Full stack quantum processing toolkit. - XACC - Extreme-scale programming model for quantum acceleration within high-performance computing.

JavaScript - Qiskit-JS - Quantum information software kit for JavaScript (supported by IBM).

Python - Cirq - Framework for creating, editing, and invoking Noisy Intermediate Scale Quantum (NISQ) circuits. - Forest - Rigetti's software library for writing, simulating, compiling and executing quantum programs. - Ocean - D-Wave System's suite of tools for solving hard problems with quantum computers. - OpenQL - Compiler framework with algorithm libraries, optimizer, scheduler, QEC, mapping, micro-code generator. - ProjectQ - Hardware-agnostic framework with compiler and simulator with emulation capabilities. - Qiskit - Framework for noisy quantum computers at the level of pulses, circuits, and algorithms (supported by IBM). - Strawberry Fields - Xanadu's software library for photonic quantum computing. - Tequila - An Extensible Quantum Information and Learning Architecture developed by Alan Aspuru-Guzik's group (UofT).

Q# - Q# - Microsoft's quantum programming language with Visual Studio integration.

Quantum simulators

C - QuaC - Parallel time-dependent open quantum systems solver. - QuEST - Quantum Exact Simulation Toolkit is a high performance multicore simulator of universal quantum circuits. - TNQVM - Tensor Network QPU Simulator for Eclipse XACC.

Common Lisp - BLACK-STONE - Specification and implementation of quantum common lisp, for gate-model quantum computers. - QVM - Rigetti's high-performance quantum virtual machine.

Coq - QWIRE - A quantum circuit language and formal verification tool described in this paper.

C++ - Intel Quantum Simulator - Distributed qubit register quantum simulator using OpenMP and MPI. - JKQ-DDSIM - Error-free quantum simulator using decision diagrams as underlying data structure. (arXiv / IEEE) - QCL - High level, hardware-agnostic programming language for quantum computers (syntax like C or Pascal). - Qiskit Aer - High performance simulator for quantum circuits that includes noise models (supported by IBM). - Qrack - Comprehensive qubit and gate implementation for developing universal virtual quantum processors. - qSim - High level, elementary simulation library. - Quantum++ - High-performance general purpose quantum simulator (can simulate d-dimensional qudits).

F# - Liqui|> - Toolsuite for quantum simulation developed by Microsoft QuArC.

Haskell - Quipper - Scalable functional programming language for quantum computing based on Quantum Lambda Calculus.

Java - jquil - A Java library for quantum programming using Quil. - libQuantumJava - Crude translation from the C implementation of

to a Java version.

JavaScript - jsquil - JavaScript interface for writing Quil programs. - Quantum Circuit Simulator - Smoothly runs 20+ qubit simulations in browser or on node.js server. - Quirk - Drag-and-drop quantum circuit simulator in your browser. - Quantum JavaScript (Q.js) - Drag-and-drop circuit editor, simulator, documented API, text-as-circuit DSL, concept primers.

Julia - Cliffords.jl - Efficient calculation of Clifford circuits in Julia. - QSimulator.jl - Unitary and Lindbladian evolution in Julia. - QuantumInfo.jl - Julia library for quantum information related calculations. - RandomQuantum.jl - Package for generating random quantum states and processes. - Yao.jl - Extensible, Efficient Quantum Algorithm Design for Humans.

Mathematica - QuantumUtils - Tools for quantum control, simulation, channel representation conversion, and perturbations.

OCaml - QOCS - Quantum OCaml Circuit Simulator is a functional approach to simulating quantum gates.

Python - PIQS - Efficient simulation of open quantum dynamics of identical qubits. - QCircuits - User-friendly quantum circuit simulator designed for students and newcomers to quantum computing. - QTop - Simulation and visualization of topological quantum computers. - Quantum Virtual Machine - Reference implementation of Rigetti's Quantum Virtual Machine. - Quintuple - Simulating the 5-qubit processor of the IBM Quantum Experience. - QuPy - Quantum circuit simulator for both CPU and GPU. - QuSim - Ideal noise-free multi-qubit simulator written in 150 lines of code. - QuSpin - Exact diagonalization and dynamics of arbitrary boson, fermion and spin many-body systems. - QuTiP - User-friendly and efficient numerical simulations of a wide variety of open quantum systems. - SimulaQron - Application level simulator of a quantum network. - SQUANCH - A distributed simulation framework for quantum networks and channels.

Qumin - Qlmp - Interpreter for the functional quantum programming language Qumin.

Rust - QCGPU - High-performance GPU-accelerated quantum computer simulation outlined in this arXiv paper.

Swift - SwiftQuantumComputing - Quantum circuit simulator with a bit of genetic programming.

Quantum annealing

C++ - C-to-D-Wave - Compile a very small subset of C to a D-Wave Hamiltonian function - Virtual Hardware Embedding - Virtual Hardware Embedding Suite for adiabatic quantum computing.

Go - edif2qmasm - Compile Verilog, VHDL, and other hardware-description languages to a D-Wave Hamiltonian function - QA Prolog - Compile a subset of Prolog to a D-Wave Hamiltonian function

Python - chimera_embedding - Algorithms to generate native-structured embeddings for Chimera graphs. - dimod - Shared API for Ising and QUBO problems. - dwavebinarycsp - Map constraint satisfaction problems with binary variables to binary quadratic models. - dwave-cloud-client - Min. implementation of the REST interface to communicate with D-Wave's Solver API. - dwave_neal - An implementation of a simulated annealing sampler. - dwave_networkx - Exploration and analysis of network graphs. - dwave-system - API for easily incorporating D-Wave quantum annealers as samplers in the Ocean software stack. - embedding_utilities - Mapping samples between original and embedded graph. - microclientsapi_dimod - Dimod wrapper for the D-Wave Micro Client. - minorminer - Heuristic tool for minor graph embedding. - penaltymodel - Utilities and interfaces for using penalty models. - QMASM - Quantum macro assembler for D-Wave systems - sapi_dimod - Dimod wrapper for D-Wave's Solver API (SAPI).

Python, C & Matlab - Qbsolv - QUBO solver with D-Wave or classical tabu solver backend.

Quantum algorithms

C++ - XACC VQE - Variational quantum eigensolver built on XACC for distributed, and shared memory systems.

Julia - QuantumTomography.jl - Julia package to perform quantum state and process tomography.

Python - Adapt - Algorithms for adaptive refinement of measurements. - Arline Quantum - Library with implementation of quantum gates and hardware, a part of Arline Benchmarks project. - FermiLib - Software for analyzing fermionic quantum simulation algorithms with ProjectQ. - Grove - Quantum algorithms implemented using Rigetti's pyQuil. - OpenFermion - Compiling and analyzing quantum algorithm for quantum chemistry simulations. - PennyLane - Library for quantum ML, automatic differentiation and optimization of hybrid computations. - QFog - Framework for analyzing both classical and quantum Bayesian Networks. - Qiskit Aqua - Library of various quantum algorithm implemented with Qiskit. - Qiskit Tutorial - Jupyter notebook filled with tutorials for Qiskit. - Quantum_Edward - Python tools for supervised learning by Quantum Neural Networks - QuantumFlow - Quantum Algorithms Development Toolkit e.g. allowing for backpropagation with QAOA. - Quantum TSP - Tutorials on solving Travelling Salesman Problem using quantum computing (QAOA). - VQF - Implementation of Variational Quantum Factoring algorithm (in pyQuil) - XACC Examples - Example code using XACC for quantum computing. - XACC QChem - QPU Benchmarks for Quantum Chemistry via XACC, Psi4 and OpenFermion.

Q# - Quantum Katas - Programming exercises for learning Q# and quantum computing.

Quantum compilers

C++ - ScaffCC - Compilation, analysis and optimization framework for the Scaffold quantum programming language.

Julia - QGL.jl - A performance orientated QGL compiler.

Mathematica - UniversalQCompiler - Synthesis of isometries (including unitaries and state preparation), channels and POVMs.

Python - Arline Benchmarks - Automated benchmarking platform for quantum compilers, quantum hardware and quantum algorithms. - PyZX - Python library for quantum circuit rewriting and optimisation using the ZX-calculus. - QGL2 Compiler - Language compiler for imperative Quantum Gate Language (QGL). - Qiskit Terra - Python library for quantum circuit rewriting and optimization (supported by IBM). - Qubiter - Quantum compiler with Python wrapper for LAPACK's CS Decomposition to build a binary tree of matrices.

Common Lisp - quilc - Rigetti's optimizing Quil compiler.

Quantum assembly

  • Blackbird - Open-source quantum instruction language currently used for Xanadu's photonic hardware.
  • OpenQASM - Open-source quantum assembly language.
  • QMASM - A quantum macro assembler for D-Wave's quantum annealers.
  • Quil - An open hybrid quantum/classical instruction set currently used by Rigetti. Parser

Quantum and post-quantum cryptography

C - liboqs - C library for quantum-resistant cryptographic algorithms. - openssh - OpenSSH with quantum-safe key exchange algorithms. - openssl - OpenSSL with quantum-safe cryptographic algorithms.

Python - QRL - Quantum Resistant Ledger utilizing hash-based one-time merkle tree signature scheme instead of ECDSA.

Experimental quantum computing

Julia - Qlab.jl - Generic lab tools in Julia.

Matlab - Qlab - Measurement and control software for superconducting qubits.

Python - ARTIQ - Next-generation control system for quantum information experiments. - PyQLab - Library for instrument control and superconducting QIP experiments. - QFlow-lite - Machine Learning tools for autotuning quantum dot experiments. - QGL - Domain-specific language embedded in Python for specifying pulse sequences. - Quince - Node-based GUI that allows for graphical configuration of qubit experiments in Auspex. - qupulse - Quantum computing pulse parametrization and sequencing framework (formerly qc-toolkit).

Quantum fun

Board games - Entanglion - The world’s first open source quantum computing board game. For 2 players.

Python - bloqit - A tiny qubit duel for your smart phone. - QSEL - Quantum programming language putting entanglement and superposition front and center. - Quantum Awesomeness - Simple puzzles to benchmark various quantum processor. - Quantum Battleships - Playing battleships with quantum measurements. - Quantum Catsweeper - Quantum game loosely based on Minesweeper Flag. - SudoQ - Sudoku solver that leverages a D-Wave Quantum Annealer.

Python & JavaScript - Quantum Music Composer for IBM Q - Compose and perform quantum music with IBM Q. - Quantum Music Composer for Rigetti - Compose and perform quantum music with Rigetti's Forest.

JavaScript - Quantum Game with Photons - Puzzle game in browser, with polarization, superposition, and measurement.

Quantum tools

Mathematica - QI - Toolkit for common quantum information functions.

Python - IBM Q bot - Bot for Slack and Telegram to monitor the load of IBM Q quantum computers. - toqito - Framework to study problems pertaining to entanglement theory, nonlocal games, and other aspects of quantum information.

Others - Quil syntax highlighter - Syntax highlighter for PyCharm.

Abandoned projects

2+ years of inactivity. Feel free to reanimate, document and contribute to some of this work! - libquantum - C library for quantum computing and quantum simulation. - pQCS - Parallel quantum circuit synthesis with optimal T-count. - PySimulator - Python with C++ backend simulator for superconducting circuits. - QACG - Quantum Arithmetic Circuit Generator in Haskell. - QCViewer - A visual quantum circuit design and simulation tool. - Squankum - Visual Java quantum simulator.


See the contribution guidelines.



To the extent possible under law, Mark Fingerhuth has waived all copyright and related or neighboring rights to this work.

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