Top 23 Python recommender-system Projects

recommender-system

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1. d2l-en

   1 6 26,282 2.9 Python

   Interactive deep learning book with multi-framework code, math, and discussions. Adopted at 500 universities from 70 countries including Stanford, MIT, Harvard, and Cambridge.

   

2. InfluxDB

   www.influxdata.com featured

   InfluxDB – Built for High-Performance Time Series Workloads. InfluxDB 3 OSS is now GA. Transform, enrich, and act on time series data directly in the database. Automate critical tasks and eliminate the need to move data externally. Download now.

   

3. lancedb

   2 11 6,932 9.9 Python

   Developer-friendly, embedded retrieval engine for multimodal AI. Search More; Manage Less.

   

   Project mention: Meilisearch – search engine API bringing AI-powered hybrid search | news.ycombinator.com | 2025-04-14

   Try LanceDB https://github.com/lancedb/lancedb

   It’s based off of the data fusion engine, has vector indexing and BM 25 indexing, has pipes on and rust bindings

4. LightFM

   3 0 4,954 0.0 Python

   A Python implementation of LightFM, a hybrid recommendation algorithm.

   

5. implicit

   4 3 3,691 3.7 Python

   Fast Python Collaborative Filtering for Implicit Feedback Datasets

   

6. catalyst

   5 1 3,354 0.0 Python

   Accelerated deep learning R&D (by catalyst-team)

   

7. spotlight

   6 0 3,021 0.0 Python

   Deep recommender models using PyTorch. (by maciejkula)

   

8. torchrec

   7 2 2,259 9.8 Python

   Pytorch domain library for recommendation systems

   

   Project mention: Advancements in Embedding-Based Retrieval at Pinterest Homefeed | news.ycombinator.com | 2025-02-14

   Nice, there are a ton of threads here to check out. For example I had not heard of

   https://pytorch.org/torchrec/

   Which seems to nicely package a lot of primitives I have worked with previously.

9. Stream

   getstream.io featured

   Stream - Scalable APIs for Chat, Feeds, Moderation, & Video. Stream helps developers build engaging apps that scale to millions with performant and flexible Chat, Feeds, Moderation, and Video APIs and SDKs powered by a global edge network and enterprise-grade infrastructure.

   

10. EasyRec

    8 1 2,057 7.8 Python

    A framework for large scale recommendation algorithms.

    

11. recommenders

    9 1 1,959 5.2 Python

    TensorFlow Recommenders is a library for building recommender system models using TensorFlow. (by tensorflow)

    

12. neural_collaborative_filtering

    10 1 1,842 0.0 Python

    Neural Collaborative Filtering

    

13. TensorRec

    11 0 1,287 0.0 Python

    A TensorFlow recommendation algorithm and framework in Python.

    

14. Transformers4Rec

    12 4 1,192 3.3 Python

    Transformers4Rec is a flexible and efficient library for sequential and session-based recommendation and works with PyTorch.

    

15. NVTabular

    13 1 1,094 4.2 Python

    NVTabular is a feature engineering and preprocessing library for tabular data designed to quickly and easily manipulate terabyte scale datasets used to train deep learning based recommender systems.

    

16. fastFM

    14 0 1,085 0.0 Python

    fastFM: A Library for Factorization Machines

    

17. RecSysDatasets

    15 1 1,000 2.7 Python

    This is a repository of public data sources for Recommender Systems (RS).

    

18. reclist

    16 1 467 7.8 Python

    Behavioral "black-box" testing for recommender systems

    

19. rexmex

    17 1 280 5.5 Python

    A general purpose recommender metrics library for fair evaluation.

    

20. radient

    18 29 278 6.5 Python

    Radient turns many data types (not just text) into vectors for similarity search, RAG, regression analysis, and more.

    

    Project mention: Multimodal RAG | news.ycombinator.com | 2024-11-30

21. recs-at-resonable-scale

    19 2 236 2.3 Python

    Recommendations at "Reasonable Scale": joining dataOps with recSys through dbt, Merlin and Metaflow

    

22. post-modern-stack

    20 2 197 2.2 Python

    Joining the modern data stack with the modern ML stack

    

23. BSPM

    21 1 98 3.3 Python

    Blurring-Sharpening Process Models for Collaborative Filtering, SIGIR'23 (by jeongwhanchoi)

    

24. sansa

    22 1 42 6.8 Python

    SANSA - sparse EASE for millions of items

    

25. Federated-Recommendation-Neural-Collaborative-Filtering

    23 2 40 3.9 Python

    Federated Neural Collaborative Filtering (FedNCF). Neural Collaborative Filtering utilizes the flexibility, complexity, and non-linearity of Neural Network to build a recommender system. Aim to federate this recommendation system.

    

26. SaaSHub

    www.saashub.com featured

    SaaSHub - Software Alternatives and Reviews. SaaSHub helps you find the best software and product alternatives

    

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• A note from our sponsor - Stream
  getstream.io | 13 Jul 2025

  Stream helps developers build engaging apps that scale to millions with performant and flexible Chat, Feeds, Moderation, and Video APIs and SDKs powered by a global edge network and enterprise-grade infrastructure. Learn more →

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