Qulacs

Variational Quantum Circuit Simulator for Quantum Computation Research

This is an exact mirror of the Qulacs project, hosted at https://github.com/qulacs/qulacs. SourceForge is not affiliated with Qulacs.

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Last Update: 2026-02-03

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Variational Quantum Circuit Simulator for Quantum Computation Research. Qulacs is a Python/C++ library for fast simulation of large, noisy, or parametric quantum circuits. Qulacs is developed at QunaSys, Osaka University, NTT, and Fujitsu.

Features

Fast quantum circuit simulation with parallelized C/C++ backend
Noisy quantum gate for simulation of NISQ devices
Parametric quantum gates for variational methods
Circuit compression for fast simulation
GPU support for fast simulation
Many utility functions for research

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License

MIT License

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Additional Project Details

Operating Systems

Linux, Mac, Windows

Programming Language

C++

Related Categories

C++ Quantum Computing Software

Registered

2023-08-31

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