Approximate Nearest Neighbors in C++/Python optimized for memory usage.

A scikit for building and analyzing recommender systems.

A Python implementation of a number of popular recommendation algorithms.

A fast Python implementation of collaborative filtering for implicit datasets.

Deep recommender models using PyTorch.

A library for Field-aware Factorization Machine (FFM).

A Recommendation Engine Framework in TensorFlow.

A library for Factorization Machines.