Recommender System GitHub Repositories (2026) · Open Source Tools

Qdrant - High-performance, massive-scale Vector Database and Vector Search Engine for the next generation of AI. Also available in the cloud https://cloud.qdrant.io/

AI powered open source recommender system engine supports classical/LLM rankers and multimodal content via embedding

Developer-friendly OSS embedded retrieval library for multimodal AI. Search More; Manage Less.

valkey-search is a C++ module which extends valkey with vector search and secondary indexing capabilities. It enables users to index and query data stored in Valkey using complex queries with filters while maintaining high performance and scalability.

Pytorch domain library for recommendation systems

An easy-to-use framework for large scale recommendation algorithms.