Discover the best projects built with LangChain

A diverse, simple, and secure all-in-one LLMOps platform. Maintained by kubeagi on GitHub, where it has earned 113 stars from the community.

A Codespaces template for getting up-and-running with LangChain in seconds!. Maintained by lostintangent on GitHub, where it has earned 113 stars from the community.

A cognition aware database engine for AI agent memory. Purpose built in Rust with WAL, HNSW, knowledge graphs, and speculative context pre assembly. Not a wrapper, a ground up storage engine that thinks. Maintained by nambok on GitHub, where it has earned 113 stars from the community.

A comprehensive collection of LangGraph implementations, tutorials, and advanced AI workflows covering Agentic RAG systems, MCP (Model Context Protocol) development, and practical AI application patterns. Maintained by piyushagni5 on GitHub, where it has earned 112 stars from the community.

A sophisticated multi-agent AI system for analyzing Indian NSE-listed stocks using real-time data, technical indicators, news sentiment, and advanced AI reasoning. Maintained by rooneyrulz on GitHub, where it has earned 112 stars from the community.

Research feedback grounded in the papers that define your field. Maintained by mmTheBest on GitHub, where it has earned 111 stars from the community.

AI. Maintained by RubyWang0 on GitHub, where it has earned 111 stars from the community.

Prompt Engineering at Your Fingertips!. Maintained by lim-hyo-jeong on GitHub, where it has earned 111 stars from the community.

Advanced Retrieval-Augmented Generation (RAG) through practical notebooks, using the power of the Langchain, OpenAI GPTs,META LLAMA3, Agents. Maintained by GURPREETKAURJETHRA on GitHub, where it has earned 111 stars from the community.

A comprehensive AI learning roadmap covering Python fundamentals, mathematics, machine learning, deep learning, LLMs, and agentic systems — focused on hands-on projects, practical tools, and real-world deployment. Maintained by romanyn36 on GitHub, where it has earned 110 stars from the community.

SpringAI & alibaba、Agent. Maintained by liuyueyi on GitHub, where it has earned 108 stars from the community.

Self-hosted RAG search engine — 34 formats, BM25+hybrid search, multi-LLM (Gemini/OpenAI/Claude/Ollama), FastAPI + Docker, production-ready in 3 min. Maintained by flamehaven01 on GitHub, where it has earned 108 stars from the community.

A project worth exploring. Maintained by mehmetba on GitHub, where it has earned 107 stars from the community.

Beginner-friendly repository for launching your first LLM API with Python, LangChain and FastAPI, using local models or the OpenAI API. Maintained by tleers on GitHub, where it has earned 107 stars from the community.

CalAI? Nah NomAI. Maintained by MabudAlam on GitHub, where it has earned 106 stars from the community.

Learn how to quickly build Agents with Amazon Bedrock. Maintained by build-on-aws on GitHub, where it has earned 106 stars from the community.

Your own Coding Agent. Maintained by AbhinavTheDev on GitHub, where it has earned 106 stars from the community.

Language Chain Library for Elixir. Maintained by orthagonal on GitHub, where it has earned 106 stars from the community.

Enterprise RAG ecosystem managing 32000+ semantic chunks. Features hybrid parsing (LlamaParse/PyMuPDF) and 256-dim MRL embeddings for 512MB RAM environments. Maintained by Ambuj123-lab on GitHub, where it has earned 104 stars from the community.

Local PDF-Integrated Chat Bot: Secure Conversations and Document Assistance with LLM-Powered Privacy. Maintained by Abhi5h3k on GitHub, where it has earned 102 stars from the community.

CrawlLama is an local AI agent that answers questions via Ollama and integrates web- and RAG-based research. Maintained by arn-c0de on GitHub, where it has earned 100 stars from the community.

Opinionated sample on how to build/deploy a RAG web app on AWS powered by Amazon Bedrock and PGVector (on Amazon RDS). Maintained by aws-samples on GitHub, where it has earned 100 stars from the community.

， RWKV | 「Intel 2025 」AutoOPS: Provide the chaos brought by language models to the operation and maintenance industry! LLM ， Windows Server/Linux/macOS/Cisco IOS，，【//IoT/WebHook//Workflow】. Maintained by Chieko-Seren on GitHub, where it has earned 100 stars from the community.

Governance-as-Code for AI agents. Declarative constraints with deterministic enforcement. Provisioning Identity, Tool-based rules, Brokering Credentials & Ensuring safe deployment. Maintained by faramesh on GitHub, where it has earned 100 stars from the community.

Comprehensive tutorials for LangChain, LangGraph, and LangSmith using Groq LLM. Learn to build advanced AI systems, from basics to production-ready applications. Covers key concepts, real-world examples, and best practices. Ideal for beginners and experts alike. Elevate your AI development skills!. Maintained by doomL on GitHub, where it has earned 99 stars from the community.

PDF based Chatbot using streamlit LangChain & OpenAI. Maintained by sabber-slt on GitHub, where it has earned 99 stars from the community.

Gradio based tool to run opensource LLM models directly from Huggingface. Maintained by Aesthisia on GitHub, where it has earned 99 stars from the community.

Core concepts - where to apply parallelism in agentic solution. Maintained by FareedKhan-dev on GitHub, where it has earned 99 stars from the community.

Self-hosted, Docker-first OpenAI-compatible LLM gateway with provider routing, fallbacks, API keys, and usage controls. Maintained by sina2266 on GitHub, where it has earned 99 stars from the community.

Selfhost modern LLM stacks. Run the whole fleet from your terminal. Maintained by raiyanyahya on GitHub, where it has earned 98 stars from the community.

The deterministic merge gate for AI-generated agent capability changes — a local-first, static Tool-Use Readiness review for MCP, OpenAPI, and SDK tool surfaces. Open-source CLI + GitHub Action. Maintained by ThreeMoonsLab on GitHub, where it has earned 98 stars from the community.

Multi-agent AI research system — finds academic papers via semantic search & citation snowballing, then answers questions over them using agentic RAG with self-reflection. Built with LangGraph, FastAPI, Celery, and Qdrant. Maintained by YS0meone on GitHub, where it has earned 98 stars from the community.

A Virtual Sales Agent that uses LangChain, LangGraph, and Gemini Flash to simulate customer interactions. Features include product inquiries, order management, and personalized recommendations through a user-friendly Streamlit interface. Maintained by lucasboscatti on GitHub, where it has earned 98 stars from the community.

Auditable bioinformatics workflow compiler: Catalog-bound planning, Workflow IR, and validated WDL 1.0. Maintained by yuanzhw on GitHub, where it has earned 97 stars from the community.

Memory to your Personal ChatBot | LangChainAI and Databutton. Maintained by avrabyt on GitHub, where it has earned 97 stars from the community.

【AI】AI，AI ！：AI、、AI、AI、AI、Chat2BI. Maintained by jeecgboot on GitHub, where it has earned 97 stars from the community.

AI Agents for drug discovery, drug development, and other pharmaceutical R&D. Maintained by VirtualPatientEngine on GitHub, where it has earned 97 stars from the community.

Youtube Video Summarizer and Question Answering App Using Whisper and Langchain. Maintained by Hamagistral on GitHub, where it has earned 97 stars from the community.

A pySigma wrapper and langchain toolkit for automatic rule creation/translation. Maintained by AttackIQ on GitHub, where it has earned 97 stars from the community.

LangChain LLM chat with streaming response over websockets. Maintained by pors on GitHub, where it has earned 97 stars from the community.

Kyros — The Memory OS for AI Agents Give your AI agents secure, self-correcting, persistent memory in 3 lines of code. Three memory types (episodic, semantic, procedural) with built-in forgetting curves, cryptographic integrity, and automatic contradiction resolution. Model-agnostic REST API with Python and TypeScript SDKs. Maintained by Kyros-494 on GitHub, where it has earned 96 stars from the community.

Backend for SlideSpeak. Create PowerPoints with AI. Get summaries, ask questions, create presentations and more. Maintained by SlideSpeak on GitHub, where it has earned 96 stars from the community.

Apply LLMs for automated ranking Resume. Maintained by vectornguyen76 on GitHub, where it has earned 96 stars from the community.

Local-GenAI-Search is a generative search engine based on Llama 3, langchain and qdrant that answers questions based on your local files. Maintained by nikolamilosevic86 on GitHub, where it has earned 96 stars from the community.

OpenAI/Anthropic-compatible AI router that keeps apps online with provider failover, key rotation, caching, analytics, and local-model fallback. Maintained by Shaf2665 on GitHub, where it has earned 96 stars from the community.

A GPT powered CLI tool that answers questions about your data. Maintained by danthelion on GitHub, where it has earned 95 stars from the community.

An LLM GUI application; enables you to interact with your files, offering dynamic parameters that can modify response behavior during runtime. Maintained by safakatakancelik on GitHub, where it has earned 94 stars from the community.

Implementation of contextual engineering pipeline with LangChain and LangGraph Agents. Maintained by FareedKhan-dev on GitHub, where it has earned 94 stars from the community.

Design Patterns for Multi Agents Frameworks Like Autogen, Langraph, Taskweaver,Crewai,etc. Maintained by NisaarAgharia on GitHub, where it has earned 94 stars from the community.

Langport is a language model inference service. Maintained by vtuber-plan on GitHub, where it has earned 94 stars from the community.

Quarkus LangChain4J Workshop that demonstrates both single AI service capabilities and Agentic AI orchestration. Maintained by quarkusio on GitHub, where it has earned 93 stars from the community.

A comprehensive learning path and practical guide for Generative AI development with hands-on LangChain implementations and detailed notes. Maintained by AdilShamim8 on GitHub, where it has earned 92 stars from the community.

Open Source A2A Protocol Adapter SDK for Different Agent Frameworks. Maintained by hybroai on GitHub, where it has earned 92 stars from the community.

Optimizing Dynamic Knowledge Base Using AI Agent. Maintained by FareedKhan-dev on GitHub, where it has earned 92 stars from the community.

Create LaTeX resumes tailored to job postings by an AI model. Maintained by abhineetgupta on GitHub, where it has earned 92 stars from the community.

An open-source project designed to provide an educational and collaborative AI-powered platform. Maintained by Open-TutorAi on GitHub, where it has earned 92 stars from the community.

《Easy Data x AI》 AI AI 。， AI Agent。. Maintained by datawhalechina on GitHub, where it has earned 91 stars from the community.

ChatBI 。 Agent 、RAG 、、Redis ， EmbedChat Token 。. Maintained by RandyChen1985 on GitHub, where it has earned 91 stars from the community.

Food tour planner using LangChain DeepAgents, Google Maps API, and Tavily research. Explore multi-agent coordination patterns: task delegation via SubAgentMiddleware, planning with TodoListMiddleware. Maintained by muratcankoylan on GitHub, where it has earned 91 stars from the community.

An AI-app that allows you to upload a PDF and ask questions about it. It uses StableVicuna 13B and runs locally. Maintained by wafflecomposite on GitHub, where it has earned 90 stars from the community.