Recommendation System Frameworks

Complete recommendation system implementations using collaborative filtering, content-based, or deep learning approaches for production use. Does NOT include single-domain applications (e.g., book/movie recommenders), datasets, or general ML libraries without recommendation-specific architectures.

There are 109 recommendation system frameworks tracked. 2 score above 70 (verified tier). The highest-rated is meta-pytorch/torchrec at 88/100 with 2,488 stars and 32,920 monthly downloads. 3 of the top 10 are actively maintained.

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#	Framework	Score	Tier	Stars	Language
1	meta-pytorch/torchrec Pytorch domain library for recommendation systems	88	Verified	2,488	Python
2	recommenders-team/recommenders Best Practices on Recommendation Systems	81	Verified	21,514	Python
3	RUCAIBox/RecBole A unified, comprehensive and efficient recommendation library	68	Established	4,307	Python
4	hongleizhang/RSPapers RSTutorials: A Curated List of Must-read Papers on Recommender System.	67	Established	6,452	—
5	datawhalechina/fun-rec 推荐系统入门教程，在线阅读地址：https://datawhalechina.github.io/fun-rec/	60	Established	6,830	Python
6	kakao/buffalo TOROS Buffalo: A fast and scalable production-ready open source project for...	58	Established	581	Python
7	lyst/lightfm A Python implementation of LightFM, a hybrid recommendation algorithm.	58	Established	5,066	Python
8	wzhe06/Reco-papers Classic papers and resources on recommendation	57	Established	3,517	Python
9	google-research/recsim A Configurable Recommender Systems Simulation Platform	57	Established	782	Python
10	jfkirk/tensorrec A TensorFlow recommendation algorithm and framework in Python.	56	Established	1,303	Python
11	RUCAIBox/CRSLab CRSLab is an open-source toolkit for building Conversational Recommender...	55	Established	552	Python
12	sisinflab/elliot Comprehensive and Rigorous Framework for Reproducible Recommender Systems Evaluation	53	Established	296	Python
13	zerolovesea/NextRec A unified, efficient, and extensible PyTorch-based recommendation library	51	Established	129	Python
14	wzhe06/SparrowRecSys A Deep Learning Recommender System	51	Established	2,741	Python
15	MTSWebServices/RecTools RecTools - library to build Recommendation Systems easier and faster than ever before	50	Established	430	Python
16	fani-lab/OpeNTF Neural machine learning methods for Team Formation/Recommendation problem.	48	Emerging	27	Jupyter Notebook
17	wubinzzu/NeuRec Next RecSys Library	48	Emerging	1,064	Python
18	maciejkula/spotlight Deep recommender models using PyTorch.	48	Emerging	3,043	Python
19	vinta/albedo A recommender system for discovering GitHub repos, built with Apache Spark	46	Emerging	184	Scala
20	guyulongcs/Awesome-Deep-Learning-Papers-for-Search-Recommendation-Advertising Awesome Deep Learning papers for industrial Search, Recommendation and...	45	Emerging	2,378	Python
21	DeepRec-AI/DeepRec DeepRec is a high-performance recommendation deep learning framework based...	44	Emerging	1,170	C++
22	khanhnamle1994/movielens 4 different recommendation engines for the MovieLens dataset.	44	Emerging	449	Jupyter Notebook
23	NVIDIA/DeepRecommender Deep learning for recommender systems	44	Emerging	1,702	Python
24	amitkaps/recommendation Recommendation System using ML and DL	44	Emerging	522	Jupyter Notebook
25	kang205/SASRec SASRec: Self-Attentive Sequential Recommendation	44	Emerging	948	Python
26	MaurizioFD/RecSys2019_DeepLearning_Evaluation This is the repository of our article published in RecSys 2019 "Are We...	44	Emerging	985	Python
27	cheungdaven/DeepRec An Open-source Toolkit for Deep Learning based Recommendation with Tensorflow.	44	Emerging	1,165	Python
28	hexiangnan/neural_collaborative_filtering Neural Collaborative Filtering	44	Emerging	1,871	Python
29	robi56/Deep-Learning-for-Recommendation-Systems This repository contains Deep Learning based articles , paper and...	43	Emerging	2,877	—
30	mquad/sars_tutorial Repository for the tutorial on Sequence-Aware Recommender Systems held at...	43	Emerging	344	Python
31	HaSai666/rec_pangu rec_pangu is a flexible open-source project for recommendation systems. It...	43	Emerging	159	Python
32	ibayer/fastFM fastFM: A Library for Factorization Machines	43	Emerging	1,090	Python
33	google-research/recsim_ng RecSim NG: Toward Principled Uncertainty Modeling for Recommender Ecosystems	42	Emerging	125	Jupyter Notebook
34	GavinHacker/recsys_core [推荐系统] Based on the scoring data set, the recommendation system is built...	42	Emerging	299	Jupyter Notebook
35	ylongqi/openrec OpenRec is an open-source and modular library for neural network-inspired...	42	Emerging	416	Python
36	AstraZeneca/rexmex A general purpose recommender metrics library for fair evaluation.	42	Emerging	276	Python
37	tangxyw/RecAlgorithm 主流推荐系统Rank算法的实现	41	Emerging	284	Python
38	otto-de/recsys-dataset 🛍 A real-world e-commerce dataset for session-based recommender systems research.	40	Emerging	372	Python
39	PersiaML/PERSIA High performance distributed framework for training deep learning...	40	Emerging	411	Rust
40	hand10ryo/PyTorchCML PyTorchCML is a library of PyTorch implementations of matrix factorization...	40	Emerging	20	Python
41	daconjam/Recommender-System-Datasets A list of compatible datasets, noting other major repositories containing...	39	Emerging	110	—
42	HKUDS/SSLRec [WSDM'2024 Oral] "SSLRec: A Self-Supervised Learning Framework for Recommendation"	39	Emerging	558	Python
43	DeepRec-AI/HybridBackend A high-performance framework for training wide-and-deep recommender systems...	38	Emerging	161	C++
44	finn-no/recsys_slates_dataset FINN.no Slate Dataset for Recommender Systems. A dataset containing all...	38	Emerging	54	Python
45	grouplens/samantha Samantha - A generic recommender and predictor server	38	Emerging	88	Java
46	Zilize/CRSPapers Conversational Recommender System (CRS) paper list. 对话推荐系统论文列表	37	Emerging	161	—
47	andreeaiana/newsreclib PyTorch-Lightning Library for Neural News Recommendation	37	Emerging	60	Python
48	qcymkxyc/RecSys 项亮的《推荐系统实践》的代码实现	36	Emerging	498	Jupyter Notebook
49	i-Jayus/RecSystem-Pytorch 推荐系统论文算法实现，包括序列推荐，多任务学习，元学习等。 Recommendation system papers...	36	Emerging	255	Python
50	Coder-Yu/QRec QRec: A Python Framework for quick implementation of recommender systems...	36	Emerging	1,642	Python
51	USTCLLM/RecStudio A highly-modularized and recommendation-efficient recommendation library...	36	Emerging	198	Python
52	hexiangnan/neural_factorization_machine TenforFlow Implementation of Neural Factorization Machine	36	Emerging	472	Python
53	chocoluffy/deep-recommender-system key Deep Learning engineering tricks in recsys	36	Emerging	804	Jupyter Notebook
54	yihong-chen/neural-collaborative-filtering pytorch version of neural collaborative filtering	36	Emerging	510	Jupyter Notebook
55	CRIPAC-DIG/LATTICE [ACMMM 2021] PyTorch implementation for "Mining Latent Structures for...	35	Emerging	57	Python
56	sisinflab/warprec Unifying Academic Rigor and Industrial Scale for Responsible, Reproducible,...	35	Emerging	9	Python
57	fuxuemingzhu/Summary-of-Recommender-System-Papers 阅读过的推荐系统论文的归类总结，持续更新中…	35	Emerging	382	—
58	codingforentrepreneurs/recommender Build a recommendation engine using Django & a Machine Learning technique...	35	Emerging	69	Python
59	OnYuKang/Recommendation-systems-paperlist Papers about recommendation systems that I am interested in	34	Emerging	365	—
60	myui/rtrec An realtime recommendation system supporting online updates	33	Emerging	17	Python
61	fire717/Recommendation-system 推荐系统资料笔记收录/ Everything about Recommendation System. 专题/书籍/论文/产品/Demo	33	Emerging	173	—
62	orion-orion/CDSRec 🔨 跨域序列推荐（Cross-Domain Sequential...	32	Emerging	28	Python
63	mzaradzki/factorization-machine-for-prediction Factorization Machine for regression and classification	32	Emerging	97	Jupyter Notebook
64	jrzaurin/RecoTour A tour through recommendation algorithms in python [IN PROGRESS]	32	Emerging	178	Jupyter Notebook
65	maciejkula/sbr-go Recommender systems for Go	32	Emerging	172	Go
66	RecList/reclist Behavioral "black-box" testing for recommender systems	32	Emerging	472	Python
67	JiaxiWong/MIND-News-RecSys A Deep Interest Network (DIN) implementation for MIND News Recommendation...	31	Emerging	36	Jupyter Notebook
68	darshil3011/recommendkit Universal & scalable ready-to-use recommendation system with advanced...	31	Emerging	14	Python
69	sebsui/JavaRank Recommendation engine in Java. Based on an ALS algorithm (Apache Spark)....	30	Emerging	16	Java
70	Myolive-Lin/RecSys--deep-learning-recommendation-system 深度学习推荐系统(Project based on Wang Zhe’s deep learning recommendation system)	30	Emerging	11	Jupyter Notebook
71	alibaba/Dynamic-popularity-aware-recommendation Dynamic popularity-aware contrastive learning for recommendation	29	Experimental	10	Jupyter Notebook
72	sberbank-ai-lab/RePlay RecSys Library	29	Experimental	72	Python
73	ariaattar/CASM-PyTorch PyTorch Implementation of Context-Aware Sequential Model for Multi-Behaviour...	28	Experimental	10	Python
74	opensource-together/ost-linker Linker, OST's recommender-system, AI powered.	28	Experimental	20	Python
75	npxiaoying/Social-Recommendation Summary of social recommendation papers and codes	28	Experimental	217	—
76	creyesp/Awesome-recsys Curated list of recommnedation system topics	28	Experimental	156	—
77	cowjen01/repsys Framework for Interactive Evaluation of Recommender Systems	28	Experimental	35	JavaScript
78	STAR-Laboratory/Accelerating-RecSys-Training Accelerating Recommender model training by leveraging popular choices -- VLDB 2022	27	Experimental	31	Python
79	faithlumumba/2025-tencent-advertising-algorithm-competition-finalist 🎯 Build a winning recommendation system with this effective generative...	27	Experimental	10	Python
80	aryan-jadon/Evaluation-Metrics-for-Recommendation-Systems This repository contains the implementation of evaluation metrics for...	26	Experimental	27	Python
81	LienM/recpack GitHub Mirror of RecPack: Experimentation Toolkit for Top-N Recommendation...	26	Experimental	22	Python
82	hegongshan/Recommender-Systems-Paper Must-read Papers for Recommender Systems (RS)	26	Experimental	158	—
83	abis330/DSSRec Disentangled Self-Supervision in Sequential Recommenders	25	Experimental	31	Python
84	Tawhidhere/OneRec-Think 🤖 Enhance recommendations with OneRec-Think, a framework that combines...	23	Experimental	1	Python
85	Anmol-Singh-Jaggi/Recommend :information_desk_person: Implementation of multiple types of recommender systems	23	Experimental	2	Java
86	solidglue/Recommender_System_Inference_Services Large scale recommender system inference Microservices and APIs （Dubbo...	23	Experimental	123	Go
87	galafis/recommender-systems-engine Recommender Systems Engine - Professional Python project	23	Experimental	1	Python
88	IndexStorm/git-rec-back Backend code for GitHub Recommendation Extension	23	Experimental	28	Python
89	lapshinaaa/recsys-tasks Recommender Systems Tasks	23	Experimental	5	Jupyter Notebook
90	galafis/Recommendation-Engine Professional project by Gabriel Demetrios Lafis	23	Experimental	1	Python
91	Rimuru1129/ALS_Algorithm 🔍 Analyze large datasets using the ALS algorithm for predictive modeling and...	22	Experimental	—	Python
92	yqchau/recommender-systems This repository contains several state-of-the-art models of recommender...	22	Experimental	18	Python
93	somjit101/Facebook-Friend-Recommendation This is a friend recommendation systems which are used on social media...	21	Experimental	12	Jupyter Notebook
94	tuanio/AutoRec AutoRec: Autoencoders Meet Collaborative Filtering implementation in PyTorch	19	Experimental	9	Jupyter Notebook
95	koengommers/news-recommendation PyTorch implementations of several news recommendation methods, created for...	19	Experimental	7	Jupyter Notebook
96	klevis/onlineRetailRecommender Online Retail Recommender JAVA Application using implicit feedback with...	18	Experimental	5	Java
97	Luuk99/PD-Rec Research into personalized levels of diversity in news recommendation. MSc...	16	Experimental	4	Python
98	colorblank/RecJourney recommendation system models and notes	16	Experimental	7	Python
99	klevis/booksRecommenderWithAutocomplete Recommender System for large data sets using Tries	16	Experimental	2	Java
100	AlmightyPeanut/VideoMisinformationRecommendation Benchmarking 15 recommendation algorithms for misinformation prevalence in...	15	Experimental	1	Python
101	VladPrytula/ecom-ir-book Personal notes and code on modern recommendation and search systems. From...	15	Experimental	7	Jupyter Notebook
102	somerandomprogramer/Deep-Learning-For-Recommender-Systems 🤖 Build personalized recommendations using deep learning by analyzing user...	14	Experimental	—	—
103	jahanzaibshah234/Unsupervised-Learning-Recommenders-Reinforcement-Learning A hands-on journey through advanced machine learning topics including...	14	Experimental	—	Python
104	alton15/recsys-pipeline Production-grade recommendation system pipeline for 50M DAU commerce...	14	Experimental	—	Go
105	deryarditya/TailorRec 🎨 Transform user behavior into personalized creative content with TailorRec,...	14	Experimental	—	Python
106	dmhyun/PERIS Official code of Beyond Learning from Next Item: Sequential Recommendation...	11	Experimental	36	Python
107	Rodrigolara05/Machine-Learning-en-una-red-P2P Sistema de recomendacion con Machine Learning en una red P2P	11	Experimental	2	Go
108	NiharJani2002/Unsupervised-Learning-Recommenders-Reinforcement-Learning Unsupervised Learning, Recommenders, Reinforcement Learning	11	Experimental	—	Jupyter Notebook
109	redoh/recommendation-engine 🎯 ML-powered recommendation engine with collaborative and content-based filtering	11	Experimental	—	—

Comparisons in this category

recommenders and fun-rec (81 vs 60) recommenders and Reco-papers (81 vs 57) recommenders and spotlight (81 vs 48) recommenders and elliot (81 vs 53) RecBole and NextRec (68 vs 51) torchrec and tensorrec (88 vs 56) torchrec and RecTools (88 vs 50) torchrec and NextRec (88 vs 51) NextRec and RecTools (51 vs 50)