Here is a list of free Quantum Toolkits you can use for Quantum Computing:
- Penny Lane: https://pennylane.ai/
- Tensorflow Quantum: https://www.tensorflow.org/quantum
- Strawberry Fields: https://strawberryfields.ai/
- QuTiP: https://qutip.org/
- OpenFermion: https://quantumai.google/openfermion
- ProjectQ: http://projectq.ch
- Qiskit: https://www.ibm.com/quantum/qiskit
- TensorNetwork: https://tensornetwork.org