Lightweight RAG Systems Embedding Tools

Minimal, modular, and efficient RAG implementations emphasizing simplicity, local execution, and hybrid search techniques. Does NOT include domain-specific RAG applications (biomedical, legal, enterprise) or vector database-specific implementations.

There are 47 lightweight rag systems tools tracked. The highest-rated is PranavMotarwar/raglineage at 37/100 with 2 stars and 746 monthly downloads.

Get all 47 projects as JSON

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#	Tool	Score	Tier	Stars	Language
1	PranavMotarwar/raglineage Lineage-aware RAG engine for auditable, reproducible, versioned retrieval and answers	37	Emerging	2	Python
2	rag-fish/NoesisNoema A private, offline, multi-RAGpack LLM RAG app for macOS/iOS. Instant,...	31	Emerging	5	Swift
3	undreamai/RAGSearchUnity Semantic search in Unity!	31	Emerging	66	C#
4	PromptlyCode/rag-code-sorting-search RAG code sorting search, RAG knowledge organization	30	Emerging	16	Python
5	antoine-de-daran/rag_bible Semantic search engine for the French Bible.	26	Experimental	7	Python
6	derekshi1/DataResRAG An ambitious project using RAG to create specialized course planning for...	26	Experimental	1	HTML
7	pavel-kirienko/ragrag Local multimodal semantic search for large documents with complex diagrams...	25	Experimental	2	Python
8	ZenousAI/GoRagToolkit A Go toolkit for building RAG (Retrieval-Augmented Generation) applications....	23	Experimental	1	Go
9	SupermatAI/supermat Novel data representation leading to granular citations and higher accuracy	23	Experimental	6	Python
10	KazKozDev/production_rag_pipeline Free Perplexity-style web search library for local sLLM. Bing + DuckDuckGo →...	23	Experimental	1	Python
11	wosledon/RAGDemo 本地 ONNX 嵌入与向量检索的轻量教学示例，适合快速原型与学习。a lightweight local RAG demo (ONNX...	22	Experimental	3	C#
12	SWARNIM-TIWARI/hybrid-rag-concierge Fully offline hybrid RAG concierge for luxury hotels with confidence-aware...	22	Experimental	—	Python
13	LakshmiSravyaVedantham/nano-rag The micrograd of RAG — 300 lines of Rust, no magic	22	Experimental	—	Rust
14	silver-gr/UltraRAG 🧠 Κορυφαίο RAG σύστημα για Obsidian • Συνεργασία Ανθρώπου-AI • Late Chunking...	22	Experimental	—	Python
15	ikram98ai/movrag A RAG system for searching movies using hybrid search techniques that...	22	Experimental	—	Python
16	AstyanM/rag-exploration Local RAG system built from scratch with LangChain and LangGraph,...	22	Experimental	—	Jupyter Notebook
17	khelseygrace/dotnet-data-ingestion-local-rag Enable local document ingestion and retrieval-augmented generation with a...	22	Experimental	—	C#
18	leestott/local-hybrid-retrival-onnx Foundry Local hybrid retrieval app using ONNX embeddings and vector search...	22	Experimental	—	HTML
19	cfonseca23/dotnet-data-ingestion-local-rag 🔒 100% Local RAG pipeline for .md documents — Ollama + SQLite-vec +...	21	Experimental	2	C#
20	doctorfill-dev/DF-PoC-01 Ce PoC a pour but de tester la possibilité de traiter une grande quantité...	19	Experimental	—	Python
21	dpmorr/LocalRAG Production-ready RAG system starter kit with local LLM inference, hybrid...	19	Experimental	—	Python
22	AMINAATTAOUI/advanced-rag-system Production-ready foundation for building RAG systems. Hybrid search,...	19	Experimental	—	Python
23	bigbag/microrag Lightweight RAG library with ONNX embeddings, DuckDB storage, and three-tier...	19	Experimental	—	Python
24	extremecoder-rgb/RAG-based-Patent-Innovation-Researcher Patent-Innovation-Predictor is a Python-based project designed to assist...	17	Experimental	—	Python
25	rag-fish/RAGfish RAGfish The open-source standard for private, offline, multi-pack LLM RAG —...	16	Experimental	2	—
26	xlisp/rag-code-sorting-search RAG code sorting search, RAG knowledge organization	16	Experimental	4	Python
27	Jayluci4/micro-rag RAG in ~150 lines - understand retrieval-augmented generation by building...	15	Experimental	—	Python
28	LeoFu9487/ModelPulse LLM News & Research Radar : Self-Improving RAG Engine	15	Experimental	—	Python
29	SrabanMondal/NSHG-RAG Research-grade neuro-symbolic RAG framework where retrieval is a policy, not...	15	Experimental	—	Python
30	peaprincesslab/tiny-rag Implementing a Tiny Rag system with only one Python file	15	Experimental	—	Python
31	vihanga/ragoscope Modular RAG framework with semantic chunking, hybrid retrieval, and...	15	Experimental	—	Python
32	fesdfisdfhsdkfmvndfjger/rag-hybrid-search Deliver offline, precise retrieval-augmented generation with hybrid search...	14	Experimental	—	Python
33	THA123bo/letsrag Build and run a local Retrieval-Augmented Generation system that ensures...	14	Experimental	—	Python
34	rya23/MatryoshkaSearch RAG system with a fine-tuned ModernBERT financial embedding model...	14	Experimental	—	Jupyter Notebook
35	urmzd/ragdk Go library for multi-modal RAG with graph-enhanced retrieval —...	14	Experimental	—	Go
36	brunowinter8192/RAG RAG system for Claude Code — hybrid retrieval (semantic + SPLADE + RRF),...	14	Experimental	—	Python
37	adityavijay21/rag-hybrid-search Air-gapped, production-ready RAG workspace featuring hybrid search, semantic...	13	Experimental	2	Python
38	lndulgence/miniRAG A barebones RAG implementation for kubernetes, including a local LLM...	12	Experimental	3	Python
39	MaximPyanin/weather-rag-assistant RAG micro-service designed to provide real-time weather information using...	12	Experimental	1	Python
40	hellolets/letsrag Step-by-step guide to building a local RAG system from scratch. Learn hybrid...	12	Experimental	1	Python
41	VibeCoder01/raggy A lightweight, local-first RAG server that uses embeddings from a local...	12	Experimental	1	JavaScript
42	ksericpro/llm_webcrawl_rag_qna LLM, Webcrawl, RAG, Embedding, Indexes, Query	11	Experimental	—	Python
43	rahullpanditaa/rag-search-engine RAG search engine implementing keyword, semantic, chunked-semantic, hybrid,...	11	Experimental	—	Python
44	Nalini-24/endee_rag_system Semantic Search + Question Answering RAG system using Endee Vector DB	11	Experimental	—	Python
45	suchitra0806/semantic-talent-indexer Local RAG-based talent indexing engine using Llamaindex and Llama 3.2 to...	11	Experimental	—	Python
46	Nagavenkatasai7/rag-from-scratch Building a RAG pipeline from scratch — chunking, embedding, vector search,...	11	Experimental	—	Python
47	SplinterSword/RAG-Search-Engine My Very Own RAG system	11	Experimental	—	Python