Quantum Programming

Writing Software for Quantum Computers

Qiskit, Cirq, PennyLane, Q#, OpenQASM, and the Craft of Programming the Unhackable

DataField.Dev

2026

A free and open textbook.

Text licensed under CC BY-SA 4.0. All source code additionally licensed under MIT. See License.

Forty chapters. Seven parts. Fourteen appendices. Five frameworks. One molecule, computed on a real quantum processor, by you.

How to cite this book

DataField.Dev. Quantum Programming: Writing Software for Quantum Computers. 2026. Licensed under CC BY-SA 4.0.

Errata and contributions

The quantum SDKs change faster than any book can. If an example no longer runs, that is a bug in this book, not in your understanding — please report it. See CONTRIBUTING.md.

For everyone who read about qubits and then wanted to type something.