QNEE is a quantum entropy estimator utilizing a quantum circuit and a neural network. I used QNEE to estimate XXZ chain's entanglement entropy.

You can find the code here, and related research from this link. 

ONEEP is a neural network-base entropy production estimator specialized for systems with odd-parity varaibles.

You can find the code here, and related research from this link. 

NEEP is a neural network-base entropy production estimator for overdamped Langevin dynamics and Markov jump dynamics.

You can find the code here, and related research from this link.