Qiskit is an open-source SDK for working with quantum computers at the level of extended quantum circuits, operators, and primitives.

A Python framework for creating, editing, and invoking Noisy Intermediate Scale Quantum (NISQ) circuits.

The electronic structure package for quantum computers.

Extensible, Efficient Quantum Algorithm Design for Humans.

A drag-and-drop quantum circuit simulator that runs in your browser. A toy for exploring and understanding small quantum circuits.

A port of DOOM for a quantum computer

A python library for quantum information and many-body calculations including tensor networks.

Schrödinger and Schrödinger-Feynman simulators for quantum circuits.

Variational Quantum Circuit Simulator for Quantum Computation Research

A fast stabilizer circuit library.

Quantum computing in your browser.

A full-stack framework for quantum computing.

Tensor network based quantum software framework for the NISQ era

Research using Cirq!

Quantum Circuit Simulator implemented in JavaScript

Qᴜᴀʟᴛʀᴀɴ is a Python library for expressing and analyzing Fault Tolerant Quantum algorithms.

Powerful, automated analysis and design of quantum microwave chips & devices [Energy-Participation Ratio and more]

OpenFermion plugin to interface with the electronic structure package PySCF.

Simulations of photonic quantum programmable gate arrays

C++17 Library for analysis, compilation/synthesis, and optimization of quantum circuits