Discover the best projects built with LangChain

Intelligent multilingual PDF Q&A system for Indian professionals. Sarvam-30B + multilingual-e5-large. 22 Indian languages, no translation layer. Maintained by sahilalaknur21 on GitHub, where it has earned 35 stars from the community.

Langchain FastAPI server. Maintained by Harmeet10000 on GitHub, where it has earned 35 stars from the community.

AI writing assistant built with FastAPI, LangChain, LangGraph, RAG, and OpenAI-compatible APIs for style extraction, rewriting, review, and cover generation. Maintained by guoguo-tju on GitHub, where it has earned 35 stars from the community.

Intelligent search engine/QA module that uses GPT models to provide accurate, relevant & recent answers from Google News/Web, & can directly answer user queries using GPT's knowledge. Maintained by AdirthaBorgohain on GitHub, where it has earned 35 stars from the community.

AI Chatbot that helps you learn how to use Dagger. Maintained by samalba on GitHub, where it has earned 34 stars from the community.

45+ production-ready tutorials on data science, MLOps, and AI tools. All code is executable and adaptable for real projects. Maintained by khuyentran1401 on GitHub, where it has earned 34 stars from the community.

Sistema multi-agente de IA que transforma dados brutos do Portal da Transparência em investigações inteligentes, democratizando o acesso à informação pública através de processamento de linguagem natural de última geração. Maintained by anderson-ntlabs on GitHub, where it has earned 34 stars from the community.

An open source and enterprise-grade implementation of the orchestrator-worker pattern from Anthropic's paper, "How we built our multi-agent research system," using the swarms framework. Maintained by The-Swarm-Corporation on GitHub, where it has earned 34 stars from the community.

A collection of Python notebooks with tutorials for the LangChain Library. Maintained by krisograbek on GitHub, where it has earned 34 stars from the community.

Add Artificial Intelligence following best practices course examples. Maintained by CodelyTV on GitHub, where it has earned 34 stars from the community.

Streamlit web app utilizing OpenAI (GPT-4) and LangChain LLM tools. Application includes an SQLite DB for login/authentication and message storage for later retrieval. Users can upload/embed their own PDF documents for chatbot reference. The user can then interact with a GPT-4 chatbot intended for the user's specified input, context, and scenario. Maintained by petermartens98 on GitHub, where it has earned 34 stars from the community.

App built with lang-chain utilizing OpenAI API to generate cool pet names based on the animal type and color. Maintained by rishabkumar7 on GitHub, where it has earned 34 stars from the community.

Unleash the power of AI with QueryWhisperer! Get instant answers to your questions about YouTube videos. Maintained by arian0zen on GitHub, where it has earned 34 stars from the community.

Financial CrewAI Agents (LangChain, YF Tools, Ai Crew, Groq Inference). Maintained by 0xZee on GitHub, where it has earned 34 stars from the community.

Docker sandbox backend for deepagents. Maintained by andybbruno on GitHub, where it has earned 34 stars from the community.

A collection of AI tutorials from Dr. Ashish Bamania. Maintained by ashishbamania on GitHub, where it has earned 34 stars from the community.

Welcome to ChatRPG, where your journey into the world of fantasy is powered by cutting-edge AI. Immerse yourself in endless possibilities, embark on epic adventures, and shape your own destiny in this choose-your-own-adventure (CYOA) game. Maintained by KarmaKamikaze on GitHub, where it has earned 34 stars from the community.

YouTubeGPT • AI Chat with 100+ videos ft. YouTuber Matt Wolfe (@mreflow). Maintained by vdutts7 on GitHub, where it has earned 34 stars from the community.

21 runnable reference implementations of agent design patterns, including routing, planning, RAG, tool use, reflection, and multi-agent workflows. Maintained by josephsenior on GitHub, where it has earned 33 stars from the community.

Fluent CLI is an advanced command-line interface designed to interact seamlessly with multiple workflow systems like FlowiseAI, Langflow, Make, and Zapier. Tailored for developers and IT professionals, Fluent CLI facilitates robust automation, simplifies complex interactions, and enhances productivity through a powerful and command suite. Maintained by njfio on GitHub, where it has earned 33 stars from the community.

Build and deploy powerful AI agents using LangChain, Langflow, and GPT-4 – from beginner to advanced. Maintained by pragatidev on GitHub, where it has earned 33 stars from the community.

Knowledge graph + MCP tool server for LLM agents with hybrid retrieval, live DB sync, Korean FTS, and memory feedback. Maintained by PlateerLab on GitHub, where it has earned 33 stars from the community.

A travel planning Agent powered by LangGraph, Amap POI, route clustering and LLM-based itinerary generation. Maintained by shouzhuoshouzhuo on GitHub, where it has earned 33 stars from the community.

Open Source Python SDK for AI Agents Identity. Maintained by soth-ai on GitHub, where it has earned 33 stars from the community.

Using Hugging Face Hub Embeddings with Langchain document loaders to do some query answering. Maintained by ToxyBorg on GitHub, where it has earned 33 stars from the community.

the small distributed language model toolkit; fine-tune state-of-the-art LLMs anywhere, rapidly. Maintained by Prismadic on GitHub, where it has earned 33 stars from the community.

Open-source LLM server (OpenAI, Ollama, Groq, Anthropic) with support for HTTP, Streaming, Agents, RAG (Deprecated check out Orchestra) ->. Maintained by mifunedev on GitHub, where it has earned 33 stars from the community.

AI-powered SQL query diagnostics across PostgreSQL, MySQL, Oracle, SQL Server and SQLite. No database connection required. Maintained by AutoShiftOps on GitHub, where it has earned 32 stars from the community.

An AI developer that writes LangChain Expression Language (LCEL). Maintained by christianrice on GitHub, where it has earned 32 stars from the community.

Extensible API and framework to build your Retrieval Augmented Generation (RAG) and Information Extraction (IE) applications with LLMs. Maintained by brevia-ai on GitHub, where it has earned 32 stars from the community.

GroqStreamChain is a real-time AI-powered chat app using FastAPI, WebSocket, and Groq. It streams AI responses for interactive, low-latency communication with session management and a clean, responsive frontend. Ideal for building AI-driven chatbots. Maintained by The-Data-Dilemma on GitHub, where it has earned 32 stars from the community.

Edge compatible PDF.ai Chat with any PDF document You can ask questions, get summaries, find information, and more. Built with Pinecone, OpenAI, Langchain, Nextjs13, TypeScript, Clerk Auth, Drizzle ORM for edge runtime environment, Shadcn UI. Maintained by Srijan-D on GitHub, where it has earned 32 stars from the community.

Run coding agents in a sandbox, not on your machine. Maintained by mifunedev on GitHub, where it has earned 32 stars from the community.

Write tweets with AI Agents (CrewAI) and LLMs (Llama 3, GPT-4o). Maintained by curiousily on GitHub, where it has earned 32 stars from the community.

A production-ready FastAPI template for building AI agent applications with LangGraph integration. This template provides a robust foundation for building scalable, secure, and maintainable AI agent services. Maintained by luwhano on GitHub, where it has earned 32 stars from the community.

A LangChain-powered multi-agent system with agent routing, skill routing, and execution harness. Maintained by haorui-harry on GitHub, where it has earned 32 stars from the community.

Agentic AI Engineering is a production-grade engineering resource for building modern agentic AI systems with LangChain, LangGraph, RAG, MCP, local models, and deployable Python services. Maintained by zkzkGamal on GitHub, where it has earned 32 stars from the community.

Light but flexible templating and FSM framework. This repo is @promplate itself. Maintained by promplate on GitHub, where it has earned 32 stars from the community.

RAG - Add Your Own Data to LLMs Using LangChain & LlamaIndex. Maintained by zekaouinoureddine on GitHub, where it has earned 32 stars from the community.

Agent-to-Agent (A2A Protocol) built on top of LangGraph. Maintained by mifunedev on GitHub, where it has earned 32 stars from the community.

ChatIQ is a versatile Slack bot using GPT & Weaviate-powered long-term memory to accomplish various tasks. Maintained by yujiosaka on GitHub, where it has earned 32 stars from the community.

The framework to take LLMs out of the box. Learn to use LangChain to call LLMs into new environments, and use memories, chains, and agents to take on new and complex tasks. Maintained by ArslanKAS on GitHub, where it has earned 32 stars from the community.

AI-powered code review tool that analyzes git branch differences and generates comprehensive review reports. Supports AWS Bedrock and Anthropic API. Features automated analysis of logic, security, performance, and code quality with smart token efficiency through prompt caching. Maintained by Kirill89 on GitHub, where it has earned 32 stars from the community.

Personalize ChatGPT using LangChain, and get answers from your own documents and knowledge base. Maintained by doingthisalright on GitHub, where it has earned 32 stars from the community.

Multimodal RAG based on Llama 3.2. Maintained by kyopark2014 on GitHub, where it has earned 31 stars from the community.

Encountering 14 different Naive RAG fails and using KG to solve it. Maintained by FareedKhan-dev on GitHub, where it has earned 31 stars from the community.

Developing Coaching Agents for AI Entrepreneurship. Maintained by Agentic-AI-Coach on GitHub, where it has earned 31 stars from the community.

Question Answering Generative AI application with Large Language Models (LLMs) and Amazon OpenSearch Service. Maintained by aws-samples on GitHub, where it has earned 31 stars from the community.

Open-source, self-hosted LangGraph Agent Server. Production Postgres + Redis. Same SDK. Same Studio. Zero code changes. Maintained by langhost on GitHub, where it has earned 31 stars from the community.

Scraping Wikipedia by combining LangChain's agents and tools with OpenAI's LLMs and function calling. Maintained by kennethleungty on GitHub, where it has earned 31 stars from the community.

Chat to LLaMa 2 that also provides responses with reference documents over vector database. Locally available model using GPTQ 4bit quantization. Maintained by seonglae on GitHub, where it has earned 31 stars from the community.

Chatbot Answering from Your Own Knowledge Base: Langchain, ChatGPT, Pinecone, and Streamlit. Maintained by farukalamai on GitHub, where it has earned 31 stars from the community.

Xây dựng AI Agent Website. Maintained by 8syncdev on GitHub, where it has earned 31 stars from the community.

An AI-powered B2B lead generation system. Private preview available. Maintained by IsaacBell on GitHub, where it has earned 31 stars from the community.

An experimental open-source AutoGPT and Langchain based tool kit for network security. Maintained by shamantechnology on GitHub, where it has earned 31 stars from the community.

AgentWatch — Real-time reasoning auditor and observability platform for AI agents. Catches silent failures in your agent's reasoning chain before they execute — not after they break production. Maintained by sreerevanth on GitHub, where it has earned 31 stars from the community.

Kubewizard is An AI-Agent for automated Kubernetes troubleshooting, and management, based on LangChain and k8s related tools. Maintained by qingwave on GitHub, where it has earned 31 stars from the community.

RAGify is designed to enhance search capabilities using Retrieval-Augmented Generation (RAG). By combining traditional web search with AI-driven contextual understanding, RAGify retrieves relevant information from the web and generates concise, human-readable summaries. Maintained by pcastiglione99 on GitHub, where it has earned 31 stars from the community.

This is a complete website in which you can chat with pdf, extract meta data, text, links, image, and lot more. Check my blog for more details: https://medium.com/@amit.2503719/allaboutpdf-tool-for-data-extraction-and-talking-to-pdf-using-chatpdf-feature-f2daea15a59c. Maintained by amitgupta4407 on GitHub, where it has earned 31 stars from the community.

Retrieval-Augmented-Generation of over 1700+ pages of Unreal Engine documentation served through FAISS + OpenAI with LangChain. Maintained by 416rehman on GitHub, where it has earned 31 stars from the community.