LangChain Framework Guides Vector Databases

Comprehensive tutorials, documentation, and educational resources for learning and implementing LangChain across different programming languages and use cases. Does NOT include specialized domain applications (medical, legal, finance), specific vector database tools, or production boilerplates focused on particular tech stacks.

There are 37 langchain framework guides tools tracked. 1 score above 70 (verified tier). The highest-rated is langchain4j/langchain4j at 75/100 with 11,081 stars. 1 of the top 10 are actively maintained.

Get all 37 projects as JSON

curl "https://pt-edge.onrender.com/api/v1/datasets/quality?domain=vector-db&subcategory=langchain-framework-guides&limit=20"

Open to everyone — 100 requests/day, no key needed. Get a free key for 1,000/day.

#	Tool	Score	Tier	Stars	Language
1	langchain4j/langchain4j LangChain4j is an open-source Java library that simplifies the integration...	75	Verified	11,081	Java
2	Couchbase-Ecosystem/langchain-couchbase Couchbase integration with LangChain	51	Established	3	Python
3	moorcheh-ai/moorcheh-chat-boilerplate Production-ready AI chat boilerplate powered by Moorcheh ITS search and RAG,...	47	Emerging	2	TypeScript
4	tryAGI/LangChain.Databases Part of the LangChain.NET project. Has separate abstractions, does not...	44	Emerging	12	C#
5	moorcheh-ai/moorcheh-python-sdk Python SDK for interacting with the Moorcheh Semantic Search API v1....	42	Emerging	12	Python
6	sarumaj/langchain-memvid A Langchain implementation for Memvid, enabling efficient video-based...	38	Emerging	3	Python
7	crate/langchain-cratedb CrateDB provider for LangChain.	35	Emerging	2	Python
8	moorcheh-ai/n8n-nodes-moorcheh N8N integration for Moorcheh: seamless document processing, semantic search,...	34	Emerging	1	TypeScript
9	ZeusDB/langchain-zeusdb LangChain integration for ZeusDB, a high-performance Rust-powered vector...	30	Emerging	6	Python
10	Bhavik-Jikadara/langchain-course The LangChain Crash Course repository serves as a comprehensive resource for...	25	Experimental	3	Python
11	SayamAlt/Langchain-with-Python-Bootcamp This repository covers all the code materials covered within Jose Portilla's...	24	Experimental	1	Jupyter Notebook
12	wjddusrb03/langchain-turboquant LangChain VectorStore with TurboQuant compression (ICLR 2026) - 6x memory...	24	Experimental	—	Python
13	CODINGIDK11/langchain-agent-pay 💰 Enable autonomous cryptocurrency payments on Solana with LangChain ZendFi,...	22	Experimental	—	Python
14	bhavuklabs/research4j Build your own perplexity for your applications using research4j and...	22	Experimental	25	Java
15	moorcheh-ai/moorcheh-benchmarks Benchmark tests, experiments and use cases of Moorche	21	Experimental	2	Jupyter Notebook
16	niksbanna/LangChain-App-Boilerplate A production-grade boilerplate for creating LangChain applications with a...	21	Experimental	2	Python
17	denizumutdereli/smart-contract-langchain-advisor The Solidity Smart-Contract Advisor is a cutting-edge tool designed to...	20	Experimental	13	Python
18	himanshu231204/langchain-playground--for-llms- A personal learning space for LangChain, featuring code snippets, notes, and...	18	Experimental	6	Python
19	moorcheh-ai/moorcheh-examples This repository contains practical examples and sample projects...	18	Experimental	5	Jupyter Notebook
20	M-Ehtesham-Ul-Hassan-Malik/LangChain Comprehensive LangChain Guide: Modular notebooks with detailed docs for...	17	Experimental	2	Jupyter Notebook
21	mariadb-developers/langchain-fastapi-mariadb-webinar-demo Semantic search demo using MariaDB, LangChain, FastAPI, and NiceGUI	16	Experimental	1	Python
22	sienlonglim/LangChain This project implements RAG using OpenAI's embedding models and LangChain's...	16	Experimental	16	Jupyter Notebook
23	gutfeeling/langsearch Easily create semantic search based LLM applications	16	Experimental	14	Python
24	Ashot72/LangChain-Documentation-Helper LangChain Documentation Helper	14	Experimental	1	HTML
25	josers18/LangChain-Concepts Reference guide for building LLM apps with LangChain — prompt templates,...	14	Experimental	—	—
26	mongodb-developer/quickstart-rag-python This Python project demonstrates semantic search using MongoDB and two...	14	Experimental	9	Jupyter Notebook
27	OctipusPrime/gmGPT LangChain application acting like a Game Master for a table top rpg of your choice.	13	Experimental	8	Python
28	AhmedZeyadTareq/langchain-chromadb-guidebook A complete, beginner-to-advanced practical guide to using LangChain with ChromaDB.	12	Experimental	1	Python
29	moorcheh-ai/langchain-moorcheh langchain-moorcheh is a Python package that enables seamless integration...	12	Experimental	1	Python
30	arkapatra31/LangChain Implementing LangChain concepts and building meaningful stuffs	12	Experimental	4	Python
31	r-manimaran/Langchain Projects using Langchain frameworks and LLMs	11	Experimental	—	Jupyter Notebook
32	ayushsyntax/LangChain_Journey A personal learning repository where I explore LangChain concepts, RAG...	11	Experimental	—	Jupyter Notebook
33	Shaiksameenasulthana/LangChain-RAG-Projects A hands-on collection of LangChain & RAG projects covering LLM basics, FAISS...	11	Experimental	—	Jupyter Notebook
34	Duygu-Jones/LLM_Playground Step-by-step LangChain-based LLM implementations and experiments	11	Experimental	2	Jupyter Notebook
35	extrawest/langchain_rag_astradb Langchain RAG AstraDB	10	Experimental	1	Python
36	norandom/project_bookworm Using LLMs with Ebooks and texts, developing Prompts, Agents, and Code with...	10	Experimental	1	Jupyter Notebook
37	Shikha-code36/LLM_langchain_Tutorial This repo was for learning purpose.	10	Experimental	1	Jupyter Notebook

Comparisons in this category

langchain4j and research4j (75 vs 22) langchain4j and langchain-course (75 vs 25)