IBM offers the most mature and widely-used free quantum platform.
PennyLane is not just a cloud tool but a cross-platform quantum machine learning library. free cloud based quantum computing tools
These are classical computers solving the math of quantum mechanics. IBM offers the most mature and widely-used free
Stick with Qiskit (IBM) or Cirq (Google) . The documentation for both is massive and the communities are very helpful. free cloud based quantum computing tools
They are the creators of PennyLane , the leading library for quantum machine learning (QML).