Discover the best projects built with LangChain

AppifyAi: Transform conversations into stunning web apps. Dynamic code generation + intuitive interface. Unleash your creativity effortlessly. Use the power of GPT OpenAI LLM and LangChain and ChromaDB. Maintained by Gamma-Software on GitHub, where it has earned 31 stars from the community.

：Spring Cloud + Python Agent，、、。 www.simlect.com. Maintained by Audreator on GitHub, where it has earned 31 stars from the community.

LangChain and Streamlit RAG Demo App on Community Cloud showcases. Maintained by BlueBash on GitHub, where it has earned 31 stars from the community.

Stop overpaying to run your agents. Kalibr routes every request to lower-cost model and tool paths without degrading performance. Maintained by kalibr-ai on GitHub, where it has earned 31 stars from the community.

Build MCP servers & clients with Python, Streamlit, ChromaDB, LangChain, LangGraph agents, and Ollama integrations. Maintained by laxmimerit on GitHub, where it has earned 31 stars from the community.

grantex is the identity, authorization, and audit infrastructure for AI agents — the "OAuth moment" for the agentic internet. We provide a universal SDK and cloud service that lets any AI agent act on behalf of a human with scoped, revocable permissions, cryptographic identity, and an immutable audit trail. Developers integrate in minutes. Maintained by mishrasanjeev on GitHub, where it has earned 31 stars from the community.

The AI-powered HR platform to manage, support, and grow your employees: all in one place. Maintained by adarshaacharya on GitHub, where it has earned 30 stars from the community.

A cold email automation tool which extracts job listings from a company’s careers page and generates personalized outreach emails with relevant portfolio links for more targeted and effective communication. Maintained by deep-div on GitHub, where it has earned 30 stars from the community.

A LangGraph-based research assistant that helps find, analyze, and summarize scientific papers. Built with Mistral LLM (via Ollama) and Flask, this agent can search papers through CORE API, process PDFs, and provide structured research summaries. Maintained by omaaartamer on GitHub, where it has earned 30 stars from the community.

Build, deploy, and manage LLM-powered agents on  platforms. Maintained by simonweniger on GitHub, where it has earned 30 stars from the community.

Chatbot to interact with a SQL database using LLMs and Langchain agents. Maintained by HamzaG737 on GitHub, where it has earned 30 stars from the community.

Creating Intelligent Terminal Apps with ChatGPT and LLM Models. Maintained by ademakdogan on GitHub, where it has earned 30 stars from the community.

Notebooks to demo the use of Azure AI Python SDK / LangChain with DeepSeek R1 reasoning model in Azure AI Foundry. Maintained by LazaUK on GitHub, where it has earned 30 stars from the community.

AI-powered web scraping agent built with LangGraph, LangSmith, Firecrawl, and Anthropic AI. Automates intelligent crawling, structured data extraction, and LLM-powered content formatting. Efficiently handles anti-bot mechanisms, error recovery, and batch processing.. Maintained by hmshb on GitHub, where it has earned 30 stars from the community.

Podcast Summarizer with LLM Technology. Maintained by yuekaizhang on GitHub, where it has earned 30 stars from the community.

Production-ready RAG framework for Python — multi-tenant chatbots with streaming, tool calling, agent mode (LangGraph), vector search (FAISS), and persistent MongoDB memory. Built on LangChain. Maintained by ENDEVSOLS on GitHub, where it has earned 30 stars from the community.

JusChat é um assistente jurídico inteligente baseado em tecnologia GraphRAG (Graph Retrieval Augmented Generation) que utiliza processamento de linguagem natural e grafos de conhecimento para consulta e análise de documentos jurídicos brasileiros. Maintained by protonspy on GitHub, where it has earned 30 stars from the community.

A platform that lets you create pre-generated summaries and key concepts by only giving the YouTube video URL link. Maintained by DeadmanAbir on GitHub, where it has earned 30 stars from the community.

A 30-minute course to get up to speed on how AI agents actually work. Maintained by ahumblenerd on GitHub, where it has earned 30 stars from the community.

An LLM-based system that fully automates Chaos Engineering (ASE 2025, NIER track). Maintained by ntt-dkiku on GitHub, where it has earned 30 stars from the community.

LLM-RAG-Agent-Tutorial for AI application developers and researchers. Maintained by mac999 on GitHub, where it has earned 30 stars from the community.

Augmented AI decision framework. Maintained by cleverhoods on GitHub, where it has earned 30 stars from the community.

Integrates LLMs as PTransform in Apache Beam pipelines using LangChain. Maintained by Ganeshsivakumar on GitHub, where it has earned 30 stars from the community.

This repository contains hybrid-rag a LLMOPS python package. Maintained by kolhesamiksha on GitHub, where it has earned 30 stars from the community.

Autonomous agent networks for task automation that requires multi-step reasoning. Maintained by versionHQ on GitHub, where it has earned 30 stars from the community.

This GitHub repository guides you through building an advanced Conversational AI assistant using AWS services and Anthropic's Claude V2 model. It features intelligent routing to relevant functions, database querying, semantic searches, Lambda function executions, and specialized interactions. Maintained by aws-samples on GitHub, where it has earned 30 stars from the community.

Draw with LLMs in ROS2 TurtleSim. Maintained by Yutarop on GitHub, where it has earned 30 stars from the community.

Open source platform for robots based on LLM. Maintained by Boomm-shakalaka on GitHub, where it has earned 30 stars from the community.

| Large model-based knowledge base Q&A. Maintained by WangRongsheng on GitHub, where it has earned 30 stars from the community.

Privacy-first document intelligence engine — parse PDFs, DOCX, PPTX, XLSX & CSV into AI-ready chunks for RAG pipelines. Includes HITL review, 3-layer memory chat, and a production FastAPI server. Maintained by ENDEVSOLS on GitHub, where it has earned 30 stars from the community.

The app uses the Gemini language model to generate personalized book recommendations. Maintained by mayaradaher on GitHub, where it has earned 30 stars from the community.

This is an example Gen AI app built with Langgraph.js, Next.js and Vercel's AI SDK. Maintained by lokeswaran-aj on GitHub, where it has earned 30 stars from the community.

GPT4 for windows, macos and ubuntu. Maintained by khulnasoft on GitHub, where it has earned 29 stars from the community.

High-performance tool for managing LLM conversations and workflows as DAGs. Maintained by fundamental-research-labs on GitHub, where it has earned 29 stars from the community.

Agent Builder API - Backend service for Agent Smith extension. Maintained by nagaraj-real on GitHub, where it has earned 29 stars from the community.

LangGraph agent template with MCP. Maintained by prsdm on GitHub, where it has earned 29 stars from the community.

Create, customize, and launch autonomous AI Agents in your browser.. Maintained by alexk1919 on GitHub, where it has earned 29 stars from the community.

MCP to LangChain Tools Conversion Utility / Python. Maintained by hideya on GitHub, where it has earned 29 stars from the community.

Implementation of Corrective RAG using LangChain and LangGraph. Maintained by Grecil on GitHub, where it has earned 29 stars from the community.

This project is a Python script that scrapes a Linkedin PDF, generates a customized portfolio site using OpenAI's GPT-4 model with the help of LangChain and deploy the site to Vercel. Maintained by waseemhnyc on GitHub, where it has earned 29 stars from the community.

The Yahoo Finance Agent is an application that combines OpenAI's LLMs, the Yahoo Finance Python library, and LangChain's tools to provide real-time financial data. It features stock information, financial statements, and an interactive chat interface, all while maintaining conversation context and integrating with Langsmith for debugging. Maintained by ojasskapre on GitHub, where it has earned 29 stars from the community.

Open source framework designed to accelerate the development of omnichannel AI virtual assistants. Maintained by cel-ai on GitHub, where it has earned 29 stars from the community.

Multi-Agent AI system that automatically retrieves the latest Football news and creates a newsletter. Maintained by felixggj on GitHub, where it has earned 29 stars from the community.

Unified multi-layer caching library for AI/agent pipelines — LangChain, LangGraph, AutoGen, CrewAI, Agno, A2A. Maintained by ashishpatel26 on GitHub, where it has earned 29 stars from the community.

Production-ready LangGraph interrupt template with modern web interface | Human-in-the-loop AI workflows | FastAPI backend + Next.js frontend. Maintained by KirtiJha on GitHub, where it has earned 29 stars from the community.

Search your favorite websites and chat with them, on your desktop. Maintained by AstraBert on GitHub, where it has earned 29 stars from the community.

Make stochastic AI systems durable with one decorator. Maintained by deepansh-saxena on GitHub, where it has earned 29 stars from the community.

Simple demo for chatting with a PDF - and optionally point the RAG implementation to a local LLM. Maintained by thinktecture-labs on GitHub, where it has earned 28 stars from the community.

Generate VM's with kernel tracing, code sandboxing and security profiles for long running agents. Maintained by Ghostlock-AI on GitHub, where it has earned 28 stars from the community.

UI for gpt-all-star: https://github.com/kyaukyuai/gpt-all-star. Maintained by kyaukyuai on GitHub, where it has earned 28 stars from the community.

old reactflow ver. Maintained by LangGraph-GUI on GitHub, where it has earned 28 stars from the community.

Powerful Auto Research powered by LangChain, and Anthropic. Maintained by MIRACLE-cowf on GitHub, where it has earned 28 stars from the community.

Advanced receipt OCR and analysis using PaddleOCR, GPT-3.5-turbo, Plotly, and Gradio for interactive visualizations. Maintained by lisstasy on GitHub, where it has earned 28 stars from the community.

Multi-tenant AI sales agent for Telegram, Instagram, WhatsApp & Web. Drop a YAML, get a bot. Built on LangGraph. Maintained by yerdaulet-damir on GitHub, where it has earned 28 stars from the community.

Not financial advice. Maintained by kookaburracodes on GitHub, where it has earned 28 stars from the community.

Public adapters and discovery catalog for Triptych OS (Agent OS): agent frameworks, MCP/A2A/x402 protocols, workflows, wallets, SDKs, and examples for execute-first routing, governed handoffs, and receipt-aware agent commerce. Maintained by rhein1 on GitHub, where it has earned 28 stars from the community.

A simple prompt testing library for LLMs. Maintained by hammer-mt on GitHub, where it has earned 28 stars from the community.

Hyper minimal AI agent framework: 6kb, < 100 lines, zero dependencies, graph-based orchestration, built-in tracing. Maintained by ayushi-agarwall on GitHub, where it has earned 28 stars from the community.

AgentQL's integrations with workflow automation tools and AI agent frameworks let you extract structured data from web pages using queries or natural language and interact with the web with Playwright. Resilient, fast, and AI-ready. Maintained by tinyfish-io on GitHub, where it has earned 28 stars from the community.

React app that highlights relevant segments in a PDF document based on user questions using natural language processing and AI context segmentation. A useful tool for quickly extracting information from large PDF documents. Maintained by Elite-AI-August on GitHub, where it has earned 28 stars from the community.