Qiskit is an open-source SDK for working with quantum computers
Quantum software platform that is optimized across the quantum stack
The electronic structure package for quantum computers
C++ and Python support for the CUDA Quantum programming model
Berkeley Quantum Synthesis Toolkit
Mitiq is an open source toolkit for implementing error mitigation
QuTiP: Quantum Toolbox in Python
Azure Quantum Development Kit
A python framework for creating, editing, and invoking NISQ
Extensible, Efficient Quantum Algorithm Design for Humans
An open source framework for programming photonic quantum computers
Accelerated libraries for quantum-classical computing built on CUDA-Q
Variational Quantum Circuit Simulator for Quantum Computation Research
Modern C++ quantum computing library
A Python library for quantum programming using Quil
A High-Level Abstraction Framework for Quantum Algorithms
QPanda 2 is an open source quantum computing framework
Q-CTRL Open Controls
Quantum assembly language for extended quantum circuits
PH2 Permutation-based cryptographic post-quantum hash library with duplex construction (C++20)
PHASH | post-quantum XOF hashing algorithm | C++20
Full-stack quantum processing toolkit
A PyTorch-based framework for Quantum Classical Simulation
NOTICE OF CONSOLIDATION & PARTNERSHIP PENDING As of April 2026, the 20