Hello. What is the best quantum simulator till now? We could select two categories: a) Best full simulator able to solve the equations describing a system in 3D and watching its temporal evolution. b) Best digital simulator, algorithm analyzer. For the second options I have some candidates: IBM Quantum Experience Microsoft Liqui Quantum in the Cloud Forest Google Quantum Playground Best means faster, providing proper results, easy to use and able to simulate any kind of universal quantum computer.