Curated list of open-source developed quantum software projects.

Please read the contribution guidelines before contributing.

Also please check out the Unitary Fund's 2k$ grant project for quantum OSS!

• Quantum full-stack libraries
• Quantum simulators
• Quantum annealing
• Quantum algorithms
• Quantum compilers
• Quantum assembly
• Quantum cryptography
• Experimental quantum computing
• Quantum fun
• Quantum tools
• Abandoned projects

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

C++

• XACC - Extreme-scale programming model for quantum acceleration within high-performance computing.

JavaScript

• Qiskit-JS - IBM's quantum information software kit for JavaScript.

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.
• ProjectQ - Hardware-agnostic framework with compiler and simulator with emulation capabilities.
• Qiskit - IBM's quantum information software kit for simulating, compiling and executing quantum programs.
• Strawberry Fields - Xanadu's software library for photonic quantum computing.

Q#

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

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.

Coq

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

C++

• QCL - High level, hardware-agnostic programming language for quantum computers (syntax like C or Pascal).
• Qrack - Comprehensive qubit and gate implementation for developing universal virtual quantum processors.
• 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 libquantum 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.

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.
• 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.
• QuSim - Ideal noise-free multi-qubit simulator written in 150 lines of code.
• QuTiP - User-friendly and efficient numerical simulations of a wide variety of open quantum systems.
• SimulaQron - Application level simulator of a quantum network.

Qumin

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

Rust

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

C++

• Virtual Hardware Embedding - Virtual Hardware Embedding Suite for adiabatic quantum computing.

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_networkx - Exploration and analysis of network graphs.
• dwave_neal - An implementation of a simulated annealing sampler.
• 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.
• micro_client_sapi_dimod - Dimod wrapper for the D-Wave Micro Client.
• minorminer - Heuristic tool for minor graph embedding.
• penaltymodel - Utilities and interfaces for using penalty models.
• 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.

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.
• 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.
• 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.

C++

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

Julia

• QGL.jl - A performance orientated QGL compiler.

Python

• PyZX - Python library for quantum circuit rewriting and optimisation using the ZX-calculus.
• QGL2 Compiler - Language compiler for imperative Quantum Gate Language (QGL).
• Qubiter - Quantum compiler with Python wrapper for LAPACK's CS Decomposition to build a binary tree of matrices.

• OpenQASM - IBM's 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

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.

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.
• qc-toolkit - Quantum Computing Toolkit for Qubit Control.
• 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.

Board games

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

Python

• 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.

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.

Python

• IBM Q bot - Bot for Slack and Telegram to monitor the load of IBM Q quantum computers.

Others

• Quil syntax highlighter - Syntax highlighter for PyCharm.

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.