Top QUANTUM-COMPUTING GitHub Repositories & Tools (2026)

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

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.

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

Library for pulse-level/analog control of neutral atom devices. Emulator with QuTiP.

Source code for the TKET quantum compiler, Python bindings and utilities