Quantum GitHub Repositories (2026) · Open Source Tools

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

Microsoft Quantum Development Kit, including the Q# programming language, resource estimator, and Quantum Katas

PennyLane is an open-source quantum software platform for quantum computing, quantum machine learning, and quantum chemistry. Create meaningful quantum algorithms, from inspiration to implementation.

A JIT compiler for hybrid quantum programs in PennyLane

The azure-quantum python package submits jobs to the Azure Quantum service.

Agentic framework for computational chemistry and materials science workflows

Modern C++ quantum computing library

Tiny post-quantum encryption for sensitive data. Write-only by design. ML-KEM-768 + X25519 + AES-256-GCM. Please break it.

measurement-based quantum computing (MBQC) library

Comprehensive, GPU accelerated framework for developing universal virtual quantum processors

A full-stack framework for quantum computing.

C++ and Python support for the CUDA Quantum programming model for heterogeneous quantum-classical workflows

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