Cirq
Cirq provides useful abstractions for dealing with today’s noisy intermediate-scale quantum (NISQ) computers, where the details of quantum hardware are vital to achieving state-of-the-art results. Some of its features include:
* Flexible gate definitions and custom gates
* Parameterized circuits with symbolic variables
* Circuit transformation, compilation and optimization
* Hardware device modeling
* Noise modeling
* Multiple built-in quantum circuit simulators
* Integration with qsim for high-performance simulation
* Interoperability with NumPy and SciPy
* Cross-platform compatibility