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 33 langchain framework guides tools tracked. 1 score above 70 (verified tier). The highest-rated is langchain4j/langchain4j at 72/100 with 11,081 stars. 1 of the top 10 are actively maintained.

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#	Tool	Score	Tier	Stars	Language
1	langchain4j/langchain4j LangChain4j is an open-source Java library that simplifies the integration...	72	Verified	11,081	Java
2	Couchbase-Ecosystem/langchain-couchbase Couchbase integration with LangChain	58	Established	3	Python
3	moorcheh-ai/moorcheh-chat-boilerplate Production-ready AI chat boilerplate powered by Moorcheh ITS search and RAG,...	49	Emerging	2	TypeScript
4	tryAGI/LangChain.Databases Part of the LangChain.NET project. Has separate abstractions, does not...	48	Emerging	12	C#
5	moorcheh-ai/moorcheh-python-sdk Python SDK for interacting with the Moorcheh Semantic Search API v1....	45	Emerging	12	Python
6	sarumaj/langchain-memvid A Langchain implementation for Memvid, enabling efficient video-based...	42	Emerging	3	Python
7	crate/langchain-cratedb CrateDB provider for LangChain.	37	Emerging	2	Python
8	moorcheh-ai/n8n-nodes-moorcheh N8N integration for Moorcheh: seamless document processing, semantic search,...	31	Emerging	1	TypeScript
9	ZeusDB/langchain-zeusdb LangChain integration for ZeusDB, a high-performance Rust-powered vector...	30	Emerging	6	Python
10	moorcheh-ai/moorcheh-benchmarks Benchmark tests, experiments and use cases of Moorche	28	Experimental	2	Jupyter Notebook
11	bhavuklabs/research4j Build your own perplexity for your applications using research4j and...	28	Experimental	25	Java
12	denizumutdereli/smart-contract-langchain-advisor The Solidity Smart-Contract Advisor is a cutting-edge tool designed to...	27	Experimental	13	Python
13	wjddusrb03/langchain-turboquant LangChain VectorStore with TurboQuant compression (ICLR 2026) - 6x memory...	24	Experimental	—	Python
14	sienlonglim/LangChain This project implements RAG using OpenAI's embedding models and LangChain's...	23	Experimental	16	Jupyter Notebook
15	gutfeeling/langsearch Easily create semantic search based LLM applications	23	Experimental	14	Python
16	mariadb-developers/langchain-fastapi-mariadb-webinar-demo Semantic search demo using MariaDB, LangChain, FastAPI, and NiceGUI	22	Experimental	1	Python
17	moorcheh-ai/moorcheh-examples This repository contains practical examples and sample projects...	21	Experimental	5	Jupyter Notebook
18	mongodb-developer/quickstart-rag-python This Python project demonstrates semantic search using MongoDB and two...	21	Experimental	9	Jupyter Notebook
19	niksbanna/LangChain-App-Boilerplate A production-grade boilerplate for creating LangChain applications with a...	21	Experimental	2	Python
20	arkapatra31/LangChain Implementing LangChain concepts and building meaningful stuffs	19	Experimental	4	Python
21	moorcheh-ai/langchain-moorcheh langchain-moorcheh is a Python package that enables seamless integration...	18	Experimental	1	Python
22	AhmedZeyadTareq/langchain-chromadb-guidebook A complete, beginner-to-advanced practical guide to using LangChain with ChromaDB.	18	Experimental	1	Python
23	asadmughal786/llms-project-langchain This project is based to train any type of model chat completion, or any...	15	Experimental	1	Python
24	r-manimaran/Langchain Projects using Langchain frameworks and LLMs	13	Experimental	—	Jupyter Notebook
25	norandom/project_bookworm Using LLMs with Ebooks and texts, developing Prompts, Agents, and Code with...	12	Experimental	1	Jupyter Notebook
26	extrawest/langchain_rag_astradb Langchain RAG AstraDB	12	Experimental	1	Python
27	Narendersingh007/genai-langchain-dump Hands-on GenAI and LangChain experiments with retrievers, vector stores, and...	12	Experimental	1	Jupyter Notebook
28	Shuvob4/LangChain-Tutorial LangChain is a framework, which is very helpful and easy to build...	11	Experimental	—	Jupyter Notebook
29	ali-blair/langchain_readlocal Uses langchain to vectorize local documents and insert embeddings into...	11	Experimental	3	Python
30	deepakkamboj/multi-modal-langchain-tutorials Complete code examples for building multimodal AI applications with...	11	Experimental	—	Python
31	AWildRShakes/PodcastQuery Turns podcasts transcripts into query-able information using an LLM	11	Experimental	—	Python
32	tonylabs/python-powerschool-langflow The project leverages various tools and frameworks such as Conda,...	10	Experimental	2	Python
33	Atomic-man007/AI-assistant-ollama This project demonstrates how to use various components from the...	10	Experimental	2	Python

Comparisons in this category

langchain4j and research4j (72 vs 28) langchain4j and LangChain (72 vs 23) langchain4j and quickstart-rag-python (72 vs 21) moorcheh-chat-boilerplate and moorcheh-examples (49 vs 21)