Discover the best projects built with LangChain

AI co-pilot：、、（）。 Claude Code／Codex CLI API key， OpenAI 。. Maintained by kevin333353 on GitHub, where it has earned 140 stars from the community.

GEO（AI ） — ChatGPT、Perplexity AI 。、、E-E-A-T 、。. Maintained by chnjames on GitHub, where it has earned 140 stars from the community.

Eva01 is NOT an assistant. She is an AI being with her own mind, feelings, and intrinsic drives. Multimodal, Modular design. Built-in voice & face recognition. Plug'n play tools. Compatible with ChatGPT, Claude, Deepseek, Gemini, Grok, and Ollama. Explore the possibilities of Human-AI Interaction. Maintained by Genesis1231 on GitHub, where it has earned 139 stars from the community.

Chat with your docs in PDF/PPTX/DOCX format, using LangChain and GPT4/ChatGPT from both Azure OpenAI Service and OpenAI. Maintained by linjungz on GitHub, where it has earned 139 stars from the community.

Supper clone Clickup 3.0, Follow Clean Architecture + DDD with latest Nextjs. Maintained by techmely on GitHub, where it has earned 139 stars from the community.

Open-source visual platform for AI agent and workflow development. Inspired by Coze & Langflow, built with Nuxt4, VueFlow, TypeScript, FeathersJS & Shadcn. Drag, connect, deploy — self-hosted and fully extensible by design. Maintained by HLingSoft on GitHub, where it has earned 137 stars from the community.

Meet MultiPDF Chat AI App! Chat seamlessly with Multiple PDFs using Langchain, Google Gemini Pro & FAISS Vector DB with Seamless Streamlit Deployment. Get instant, accurate responses from Awesome Google Gemini OpenSource language Model. Transform your PDF experience now!. Maintained by GURPREETKAURJETHRA on GitHub, where it has earned 135 stars from the community.

Powerful web application that combines Streamlit, LangChain, and Pinecone to simplify document analysis. Powered by OpenAI's GPT-3, RAG enables dynamic, interactive document conversations, making it ideal for efficient document retrieval and summarization. Maintained by mirabdullahyaser on GitHub, where it has earned 135 stars from the community.

Graph-Orchestrated Agent Loop — a production-grade framework on LangGraph. Combine workflow graphs and agent loops, transpile Dify DSL to runnable code, swap wire protocols (Dify/OpenAI). Maintained by wanmol on GitHub, where it has earned 134 stars from the community.

RAG using Llama3, Langchain and ChromaDB. Maintained by GURPREETKAURJETHRA on GitHub, where it has earned 134 stars from the community.

The PDFChat app allows you to chat with your PDF files in natural language. Maintained by dotvignesh on GitHub, where it has earned 134 stars from the community.

High-performance Knowledge Graph engine for AI, LLMs, and GraphRAG — built for the next generation of intelligent applications. Maintained by Aliu-AiRobot on GitHub, where it has earned 133 stars from the community.

「Amazon Bedrock AI」. Maintained by minorun365 on GitHub, where it has earned 132 stars from the community.

Drop-in tools that give AI agents reliable, permission-aware access to external systems. Maintained by airbytehq on GitHub, where it has earned 132 stars from the community.

Talk to your Obsidian notes!. Maintained by ParthSareen on GitHub, where it has earned 131 stars from the community.

A LLDB plugin which brings LLMs to LLDB. Maintained by ant4g0nist on GitHub, where it has earned 131 stars from the community.

AI：langchain.js. Maintained by RealKai42 on GitHub, where it has earned 131 stars from the community.

Gold Trading Bot Assistant | Deepseek | Langchain | Python | Gen AI. Maintained by codebytemirza on GitHub, where it has earned 131 stars from the community.

Completely local RAG. Chat with your PDF documents (with open LLM) and UI to that uses LangChain, Streamlit, Ollama (Llama 3.1), Qdrant and advanced methods like reranking and semantic chunking. Maintained by curiousily on GitHub, where it has earned 129 stars from the community.

AI · AI 「 / / 」（·PIPL·2.0··AI），； · · ·. Maintained by jnMetaCode on GitHub, where it has earned 129 stars from the community.

Turn your Python functions into interactive apps! Fast Dash is an innovative way to deploy your Python code as interactive web apps with minimal changes. Maintained by dkedar7 on GitHub, where it has earned 129 stars from the community.

Chat to your database with AI. An experimental app to test the abilities of LLMs to query SQL databases using natural language. Maintained by bayeru on GitHub, where it has earned 129 stars from the community.

Mastering NLP from Foundations to LLMs, Published by Packt. Maintained by PacktPublishing on GitHub, where it has earned 129 stars from the community.

Timescale Vector Cookbook. A collection of recipes to build applications with LLMs using PostgreSQL and Timescale Vector. Maintained by timescale on GitHub, where it has earned 127 stars from the community.

GPT-Researcher as a LangChain tool to be used in Agents and Chains. Maintained by Makesh-Srinivasan on GitHub, where it has earned 127 stars from the community.

Language AI Engineering Lab, a place where you can deeply understand and build modern Language AI systems, from fundamentals to production. Maintained by gil-son on GitHub, where it has earned 127 stars from the community.

Production-ready Next.js template for building AI agents with LangGraph.js. Features MCP integration for dynamic tool loading, human-in-the-loop tool approval, persistent conversation memory with PostgreSQL, and real-time streaming responses. Built with TypeScript, React, Prisma, and Tailwind CSS. Maintained by agentailor on GitHub, where it has earned 127 stars from the community.

LangChain,. Maintained by teddylee777 on GitHub, where it has earned 127 stars from the community.

" AI/LLM- Python: " LLM-,., Mistral AI API, LangChain, Arize Phoenix, FastAPI, PostgreSQL Docker.. Maintained by AI-Product-Course on GitHub, where it has earned 127 stars from the community.

ChatGPT API Usage using LangChain, LlamaIndex, Guardrails, AutoGPT and more. Maintained by aiplaybookin on GitHub, where it has earned 126 stars from the community.

Web Application that can generate code and fix bugs and run using various LLM's (GPT,Gemini,PALM). Maintained by haseeb-heaven on GitHub, where it has earned 126 stars from the community.

Summarize web pages and YouTube videos with pluggable LLM backends (Ollama, OpenAI). CLI, library, and Gradio UI. Maintained by cobanov on GitHub, where it has earned 125 stars from the community.

Production-ready RAG Framework (Python/FastAPI). 1-line config swaps: 6 Vector DBs (Weaviate, Pinecone, Qdrant, ChromaDB, pgvector, MongoDB), 5 LLMs (Gemini, OpenAI, Claude, Ollama, OpenRouter). OpenAI-compatible API. 2100+ tests. Maintained by notadev-iamaura on GitHub, where it has earned 124 stars from the community.

A collection of personally developed projects contributing towards the advancement of Artificial General Intelligence(AGI). Maintained by sauravjoshi23 on GitHub, where it has earned 124 stars from the community.

Anaxa 。，，、、、、。. Maintained by Citrus-bit on GitHub, where it has earned 124 stars from the community.

A chat interface that uses the REMO memory system with LangFlow. Maintained by hunter-meloche on GitHub, where it has earned 124 stars from the community.

AI. Maintained by xbsheng on GitHub, where it has earned 123 stars from the community.

A Node.js AI chatbot with unlimited context and chat history. Maintained by gmickel on GitHub, where it has earned 123 stars from the community.

Collection of my Youtube Tutorials over the years! Read, write, and share what you create. Maintained by avrabyt on GitHub, where it has earned 122 stars from the community.

DocumentGPT is a web application that allows you to chat over your research document using OpenAI's chat API and perform semantic search using vector databases. This tool provides a seamless interface for interacting with your research document, exploring search results, and engaging in a conversation with an AI chatbot. Maintained by aju22 on GitHub, where it has earned 122 stars from the community.

CLI to create Fastapi projects easily. Maintained by allient on GitHub, where it has earned 122 stars from the community.

An Execution Isolation Architecture for LLM-Based Agentic Systems. Maintained by llm-platform-security on GitHub, where it has earned 121 stars from the community.

Integrations between MongoDB, Atlas, LangChain, and LangGraph. Maintained by langchain-ai on GitHub, where it has earned 120 stars from the community.

OWASP Foundation web repository. Maintained by OWASP on GitHub, where it has earned 120 stars from the community.

Examples and tutorials for building AI applications with watsonx.ai Flows Engine. Maintained by IBM on GitHub, where it has earned 119 stars from the community.

Various projects using Large Language Model (GPT & LLAMA) other open source model from HuggingFace and OpenAI. OpenAI API required for running various model. Maintained by ananthanarayanan431 on GitHub, where it has earned 119 stars from the community.

A complete collection of RAG interview questions, answers (548 questions & 41 RAG types), system design scenarios, architecture patterns, and production-ready concepts. Maintained by ather-techie on GitHub, where it has earned 119 stars from the community.

A WhatsApp AI Agent powered by LangGraph, FastAPI, and Groq. Acts as an empathetic therapist, Dr. Sofia, handling text and voice messages with natural conversations. Supports multi-language, PostgreSQL-backed memory, and real-time synthesis. Maintained by lucasboscatti on GitHub, where it has earned 118 stars from the community.

Building Go applications with LLMs through composability. Maintained by hupe1980 on GitHub, where it has earned 117 stars from the community.

Streamly - Streamlit Assistant is designed to provide the latest updates from Streamlit, generate code snippets for Streamlit widgets, and answer questions about Streamlit's latest features, issues, and more. Maintained by AdieLaine on GitHub, where it has earned 117 stars from the community.

Ask questions about your Obsidian notes using local AI. Privacy-first RAG with Ollama, LM Studio, or any OpenAI-compatible server. Obsidian plugin + Docker + PyPI. Maintained by Vasallo94 on GitHub, where it has earned 116 stars from the community.

Client-side toolkit for using large language models, including where self-hosted. Maintained by OoriData on GitHub, where it has earned 116 stars from the community.

snowBrain - AI-Driven Insights with Snowflake (New version- https://github.com/kaarthik108/snowbrain-AGUI). Maintained by kaarthik108 on GitHub, where it has earned 116 stars from the community.

ChatGLM 6B UI， LangChain ，. Maintained by FrostMiKu on GitHub, where it has earned 116 stars from the community.

Multi-language agent runtime and library for execution scope management, lifecycle events, and middleware on tool and LLM calls. Maintained by NVIDIA on GitHub, where it has earned 116 stars from the community.

S3, PostgreSQL, Azure Blob, GCS, MongoDB, and Redis remote backends for LangChain Deep Agents. Maintained by DiTo97 on GitHub, where it has earned 116 stars from the community.

A Python CLI to test, benchmark, and find the best RAG chunking strategy for your Markdown documents. Maintained by messkan on GitHub, where it has earned 115 stars from the community.

An LLM-based tool to chat with your documents and databases, including a management system | (LLM)，. Maintained by allenpubgit on GitHub, where it has earned 114 stars from the community.

Use LLMs for building real-world apps. Maintained by aws-samples on GitHub, where it has earned 113 stars from the community.

A full-stack ai agent chat project, built with langgraph+fastapi+nextjs, supporting tool invocation and RAG knowledge base. Maintained by pasonk on GitHub, where it has earned 113 stars from the community.