Discover the best projects built with LangChain

OpenChatBI is an intelligent chat-based BI tool powered by large language models, designed to help users query, analyze, and visualize data through natural language conversations. It uses LangGraph and LangChain to build chat agent and workflows that support natural language to SQL conversion and data analysis. Maintained by zhongyu09 on GitHub, where it has earned 622 stars from the community.

A very quick project that transforms research papers into engaging three-person discussions, offering an intuitive and thought-provoking listening experience. Perfect for podcast enthusiasts seeking a fresh way to explore academic content. Maintained by Azzedde on GitHub, where it has earned 621 stars from the community.

LangChain 1.0 LangGraph 1.0 ，agent，。. Maintained by BrandPeng on GitHub, where it has earned 620 stars from the community.

Agent communication SDK. The open-source agent communication layer for AI agents — email, WhatsApp, Slack, Discord, Telegram, SMS. Python & TypeScript. Maintained by TryCaspian on GitHub, where it has earned 618 stars from the community.

AI Bank Statement Document Automation By LLM model and Personal Finanical Analysis. Maintained by johnsonhk88 on GitHub, where it has earned 616 stars from the community.

AI-Hedge-Fund for Crypto AI-powered hedge fund for cryptocurrency trading, leveraging LLM agents for intelligent decision-making. Maintained by 51bitquant on GitHub, where it has earned 616 stars from the community.

Chain together LLMs for reasoning & orchestrate multiple large models for accomplishing complex tasks. Maintained by jina-ai on GitHub, where it has earned 610 stars from the community.

ChatPilot: Chat Agent Web UI，Chat，Google、（RAG）、，Kimi Chat。. Maintained by shibing624 on GitHub, where it has earned 602 stars from the community.

YT Navigator: AI-powered YouTube content explorer that lets you search and chat with channel videos using AI agents. Extract insights from hours of content in seconds with semantic search and precise timestamps. Maintained by wassim249 on GitHub, where it has earned 601 stars from the community.

Self-evaluating interview for AI coders. Maintained by the-crypt-keeper on GitHub, where it has earned 599 stars from the community.

Converse with book - Built with GPT-3. Maintained by namuan on GitHub, where it has earned 598 stars from the community.

AI-in-a-Box leverages the expertise of Microsoft across the globe to develop and provide AI and ML solutions to the technical community. Our intent is to present a curated collection of solution accelerators that can help engineers establish their AI/ML environments and solutions rapidly and with minimal friction. Maintained by Azure on GitHub, where it has earned 596 stars from the community.

CookHero LLM + RAG + Agent + ，、、AI 、、Web ， ReAct Agent / Subagent ，“”。. Maintained by Decade-qiu on GitHub, where it has earned 594 stars from the community.

Flexible Fullstack solution template for production-ready deployments of any use case on Amazon Bedrock AgentCore. Maintained by awslabs on GitHub, where it has earned 589 stars from the community.

[CVPR 2025] Video Narration as Vocabulary & Video as Long Document. Maintained by showlab on GitHub, where it has earned 587 stars from the community.

Java version of LangChain, while empowering LLM for Big Data. Maintained by HamaWhiteGG on GitHub, where it has earned 567 stars from the community.

LangGraph for Swift — build stateful AI agent workflows natively on Apple/Linux platforms. Maintained by christopherkarani on GitHub, where it has earned 564 stars from the community.

Use ArXiv ChatGuru to talk to research papers. This app uses LangChain, OpenAI, Streamlit, and Redis as a vector database/semantic cache. Maintained by redis-developer on GitHub, where it has earned 562 stars from the community.

RAG ：、、、、、、、 Dify 。. Maintained by skygazer42 on GitHub, where it has earned 561 stars from the community.

Repository for the "Building LLMs for Production" book by Towards AI. Maintained by towardsai on GitHub, where it has earned 556 stars from the community.

Chat snowflake - Text to SQL. Maintained by kaarthik108 on GitHub, where it has earned 553 stars from the community.

A collection of apps powered by the LangChain LLM framework. Maintained by alphasecio on GitHub, where it has earned 548 stars from the community.

A full-stack demo showcasing a local RAG (Retrieval Augmented Generation) pipeline to chat with your PDFs. Maintained by tonykipkemboi on GitHub, where it has earned 541 stars from the community.

AWS Generative AI CDK Constructs are sample implementations of AWS CDK for common generative AI patterns. Maintained by awslabs on GitHub, where it has earned 541 stars from the community.

Python API client for AI providers that intends to replace LangChain and LangGraph for most common use cases. Maintained by kennethreitz on GitHub, where it has earned 540 stars from the community.

Summarize and query from a lot of heterogeneous documents. Any LLM provider, any filetype, advanced RAG, advanced summaries, scriptable, etc. Maintained by thiswillbeyourgithub on GitHub, where it has earned 535 stars from the community.

Open-source runtime AI agent security tool - monitors and controls AI agents, catching malicious tool use, prompt injection, and policy drift in real time, before the agent acts. Maintained by secureagentics on GitHub, where it has earned 523 stars from the community.

Your Local Artificial Memory on your Device. Maintained by DonTizi on GitHub, where it has earned 520 stars from the community.

CoexistAI is a modular, developer-friendly research assistant framework. It enables you to build, search, summarize, and automate research workflows using LLMs, web search, Reddit, YouTube, and mapping tools—all with simple MCP tool calls or API calls or Python functions. Maintained by SPThole on GitHub, where it has earned 518 stars from the community.

RESTai is an AIaaS (AI as a Service) open-source platform. Supports many public and local LLM suported by Ollama/vLLM/etc. Precise embeddings usage, tuning, analytics etc. Built-in image/audio generation with dynamic loading generators. Live chat deployment. Built-in block based graphical language. Prompt versioning and much more. Maintained by apocas on GitHub, where it has earned 512 stars from the community.

Lightweight Large language model automation and Autonomous Language Agents development framework. Build your LLM Agent Application in a pythonic way!. Maintained by Undertone0809 on GitHub, where it has earned 512 stars from the community.

The open-source memory and observability layer for AI agents — persistent memory, loop detection, hash-chained audit trails, and a live dashboard, automatic on pip install. Maintained by RyjoxTechnologies on GitHub, where it has earned 504 stars from the community.

AI-powered deep research tool that breaks down complex queries, validates answers, and provides cited comprehensive results using Firecrawl and LangGraph. Maintained by firecrawl on GitHub, where it has earned 496 stars from the community.

The first AI Agent Server, Eidolon is a pluggable Agent SDK and enterprise ready, deployment server for Agentic applications. Maintained by eidolon-ai on GitHub, where it has earned 491 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 NisaarAgharia on GitHub, where it has earned 490 stars from the community.

TUI for Ollama and other LLM providers. Maintained by paulrobello on GitHub, where it has earned 484 stars from the community.

Deploy LangChain Agents and connect them to Telegram. Maintained by steamship-core on GitHub, where it has earned 477 stars from the community.

AgentLLM is a PoC for browser-native autonomous agents. Maintained by idosal on GitHub, where it has earned 471 stars from the community.

ScraperAI is an open-source, AI-powered tool designed to simplify web scraping for users of all skill levels. Maintained by scraperai on GitHub, where it has earned 466 stars from the community.

Building applications with composability using Boxcars with LLM's. Maintained by BoxcarsAI on GitHub, where it has earned 461 stars from the community.

An autonomous HR agent that can answer user queries using tools. Maintained by stepanogil on GitHub, where it has earned 459 stars from the community.

Smoothly Manage Multiple LLMs (OpenAI, Anthropic, Azure) and Image Models (Dall-E, SDXL), Speed Up Responses, and Ensure Non-Stop Reliability. Maintained by Writesonic on GitHub, where it has earned 455 stars from the community.

“langent”“lang”“agent”. Maintained by datawhalechina on GitHub, where it has earned 450 stars from the community.

LLMopenai&langchain，、、、ChatGLM. Maintained by yuanjie-ai on GitHub, where it has earned 449 stars from the community.

MindSQL: A Python Text-to-SQL RAG Library simplifying database interactions. Seamlessly integrates with PostgreSQL, MySQL, SQLite, Snowflake, and BigQuery. Powered by GPT-4 and Llama 2, it enables natural language queries. Supports ChromaDB and Faiss for context-aware responses. Maintained by Mindinventory on GitHub, where it has earned 447 stars from the community.

LangChain、FastAPIReactRAG，，base-ragRAG. Maintained by RMA-MUN on GitHub, where it has earned 445 stars from the community.

LLMs and Machine Learning done easily. Maintained by Kenza-AI on GitHub, where it has earned 442 stars from the community.

LangGraph 1.0 Tutorial. Maintained by luochang212 on GitHub, where it has earned 437 stars from the community.

，，， | A bot plugin for LLM chat with multi-model integration, extensibility, and various output formats. Maintained by ChatLunaLab on GitHub, where it has earned 431 stars from the community.

RAG LLM Ops App for easy deployment and testing. Maintained by talkdai on GitHub, where it has earned 428 stars from the community.

Integrate AI Assistants with Django to build intelligent applications. Maintained by vintasoftware on GitHub, where it has earned 427 stars from the community.

LangStream. Event-Driven Developer Platform for Building and Running LLM AI Apps. Powered by Kubernetes and Kafka. Maintained by LangStream on GitHub, where it has earned 427 stars from the community.

Unlock 650+ MCP servers tools in your favorite agentic framework. Maintained by grll on GitHub, where it has earned 423 stars from the community.

The missing bridge between your ML models and your AI agents. Maintained by Tejas-TA on GitHub, where it has earned 419 stars from the community.

AI Agent | LangChain、RAG、LangGraph、MCP | | |. Maintained by Annyfee on GitHub, where it has earned 419 stars from the community.

Lobe CLI Toolbox - AI CLI Toolbox, enhancing git commit and i18n workflow efficiency. Maintained by lobehub on GitHub, where it has earned 416 stars from the community.

Resume_Builder_AIHawk is a powerful Python tool that allows you to automatically customize your resume based on a job URL, ensuring it perfectly aligns with the job requirements and skills. With an interactive command-line interface, this tool makes it easy to navigate through options and select from various pre-defined styles. Maintained by feder-cr on GitHub, where it has earned 411 stars from the community.

Build your own ChatPDF and run it locally. Maintained by vndee on GitHub, where it has earned 410 stars from the community.

Swytchcode demo projects with different agents. Maintained by swytchcodehq on GitHub, where it has earned 403 stars from the community.

Directly Connecting Python to LLMs via Strongly-Typed Functions, Dataclasses, Interfaces & Generic Types. Maintained by BlackHC on GitHub, where it has earned 400 stars from the community.