Langchain Open Source Projects
Browse 270 Langchain open source projects, ranked by GitHub stars. Find the most popular Langchain tools and libraries.
logspace-ai/langflow
⛓️ Langflow is a UI for LangChain, designed with react-flow to provide an effortless way to experiment and prototype flows.
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| Stars | 151,877 |
langgenius/dify
Production-ready platform for agentic workflow development.
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| Stars | 149,286 |
langchain-ai/langchain
The agent engineering platform.
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| Stars | 142,123 |
Mintplex-Labs/anything-llm
Stop renting your intelligence. Own it with AnythingLLM. Everything you need for a powerful local-first agent experience
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| Stars | 63,600 |
BerriAI/litellm
The fastest, litest AI Gateway. Rust core with Python SDK. Call 100+ LLM APIs in OpenAI (or native) format with cost tracking, guardrails, load balancing, and logging [Bedrock, Azure, OpenAI, Anthropic, OpenAI, VertexAI, vLLM, Nvidia NIM]
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| Stars | 54,029 |
danny-avila/LibreChat
Enhanced ChatGPT Clone: Features Agents, MCP, Skills, DeepSeek, Anthropic, AWS, OpenAI, Responses API, Azure, Groq, o1, GPT-5, Mistral, OpenRouter, Vertex AI, Gemini, Artifacts, AI model switching, message search, Code Interpreter, langchain, DALL-E-3, OpenAPI Actions, Functions, Secure Multi-User Auth, Presets, open-source for self-hosting. Active
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| Stars | 40,944 |
chatchat-space/Langchain-Chatchat
Langchain-Chatchat(原Langchain-ChatGLM)基于 Langchain 与 ChatGLM, Qwen 与 Llama 等语言模型的 RAG 与 Agent 应用 | Langchain-Chatchat (formerly langchain-ChatGLM), local knowledge based LLM (like ChatGLM, Qwen and Llama) RAG and Agent app with langchain
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| Stars | 38,435 |
reworkd/AgentGPT
🤖 Assemble, configure, and deploy autonomous AI Agents in your browser.
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| Stars | 36,280 |
CopilotKit/CopilotKit
The Frontend Stack for Agents & Generative UI. React, Angular, Mobile, Slack, and more. Makers of the AG-UI Protocol
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| Stars | 36,164 |
Anil-matcha/ChatPDF
Chat with any PDF. Easily upload the PDF documents you'd like to chat with. Instant answers. Ask questions, extract information, and summarize documents with AI. Sources included.
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| Stars | 23,473 |
eosphoros-ai/DB-GPT
open-source agentic AI data assistant for the next generation of AI + Data products.
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| Stars | 19,518 |
GoogleCloudPlatform/generative-ai
Sample code and notebooks for Generative AI on Google Cloud, with Gemini Enterprise Agent Platform
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| Stars | 17,443 |
mayooear/gpt4-pdf-chatbot-langchain
GPT4 & LangChain Chatbot for large PDF docs
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| Stars | 16,575 |
Unstructured-IO/unstructured
Convert documents to structured data effortlessly. Unstructured is open-source ETL solution for transforming complex documents into clean, structured formats for language models. Visit our website to learn more about our enterprise grade Platform product for production grade workflows, partitioning, enrichments, chunking and embedding.
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| Stars | 15,160 |
botpress/botpress
The open-source hub to build & deploy GPT/LLM Agents ⚡️
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| Stars | 14,806 |
langchain4j/langchain4j
LangChain4j is an idiomatic, open-source Java library for building LLM-powered applications on the JVM. It offers a unified API over popular LLM providers and vector stores, and makes implementing tool calling (including MCP support), agents and RAG easy. It integrates seamlessly with enterprise Java frameworks like Quarkus and Spring Boot.
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| Stars | 12,639 |
Portkey-AI/gateway
A blazing fast AI Gateway with integrated guardrails. Route to 1,600+ LLMs, 50+ AI Guardrails with 1 fast & friendly API.
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| Stars | 12,467 |
Chainlit/chainlit
Build Conversational AI in minutes ⚡️
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| Stars | 12,319 |
yzfly/awesome-chatgpt-zh
ChatGPT 中文指南🔥,ChatGPT 中文调教指南,指令指南,应用开发指南,精选资源清单,更好的使用 chatGPT 让你的生产力 up up up! 🚀
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| Stars | 11,597 |
dataelement/bisheng
BISHENG is an open LLM devops platform for next generation Enterprise AI applications. Powerful and comprehensive features include: GenAI workflow, RAG, Agent, Unified model management, Evaluation, SFT, Dataset Management, Enterprise-level System Management, Observability and more.
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| Stars | 11,594 |
tmc/langchaingo
LangChain for Go, the easiest way to write LLM-based programs in Go
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| Stars | 9,548 |
kyrolabs/awesome-langchain
😎 Awesome list of tools and projects with the awesome LangChain framework
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| Stars | 9,459 |
activeloopai/deeplake
Deeplake is AI Data Runtime for Agents. It provides serverless postgres with a multimodal datalake, enabling scalable retrieval and training.
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| Stars | 9,209 |
liaokongVFX/LangChain-Chinese-Getting-Started-Guide
LangChain 的中文入门教程
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| Stars | 9,058 |
zilliztech/GPTCache
Semantic cache for LLMs. Fully integrated with LangChain and llama_index.
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| Stars | 8,098 |
kyegomez/swarms
The Enterprise-Grade Production-Ready Multi-Agent Orchestration Framework. Website: https://swarms.ai
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| Stars | 6,963 |
casibase/casibase
⚡️Open-source AI LangChain-like RAG (Retrieval-Augmented Generation) knowledge database with web UI and Enterprise SSO⚡️, supports OpenAI, Azure, LLaMA, Google Gemini, HuggingFace, Claude, Grok, etc., chat bot demo: https://demo.casibase.com, admin UI demo: https://demo-admin.casibase.com
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| Stars | 5,402 |
TaskingAI/TaskingAI
The open source platform for AI-native application development.
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| Stars | 5,391 |
argilla-io/argilla
Argilla is a collaboration tool for AI engineers and domain experts to build high-quality datasets
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| Stars | 5,039 |
getzep/zep
Zep | Examples, Integrations, & More
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| Stars | 4,766 |
Agenta-AI/agenta
The open-source workspace for building and running AI agents. Build agents through chat, share them with your team, and run background agents on schedules or app events.
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| Stars | 4,312 |
shroominic/codeinterpreter-api
👾 Open source implementation of the ChatGPT Code Interpreter
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| Stars | 3,846 |
SamurAIGPT/EmbedAI
An app to interact privately with your documents using the power of GPT, 100% privately, no data leaks
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| Stars | 3,805 |
iusztinpaul/hands-on-llms
🦖 𝗟𝗲𝗮𝗿𝗻 about 𝗟𝗟𝗠𝘀, 𝗟𝗟𝗠𝗢𝗽𝘀, and 𝘃𝗲𝗰𝘁𝗼𝗿 𝗗𝗕𝘀 for free by designing, training, and deploying a real-time financial advisor LLM system ~ 𝘴𝘰𝘶𝘳𝘤𝘦 𝘤𝘰𝘥𝘦 + 𝘷𝘪𝘥𝘦𝘰 & 𝘳𝘦𝘢𝘥𝘪𝘯𝘨 𝘮𝘢𝘵𝘦𝘳𝘪𝘢𝘭𝘴
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| Stars | 3,420 |
OpenGVLab/Ask-Anything
[CVPR2024 Highlight][VideoChatGPT] ChatGPT with video understanding! And many more supported LMs such as miniGPT4, StableLM, and MOSS.
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| Stars | 3,343 |
X-D-Lab/LangChain-ChatGLM-Webui
基于LangChain和ChatGLM-6B等系列LLM的针对本地知识库的自动问答
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| Stars | 3,316 |
pezzolabs/pezzo
🕹️ Open-source, developer-first LLMOps platform designed to streamline prompt design, version management, instant delivery, collaboration, troubleshooting, observability and more.
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| Stars | 3,256 |
OpenGVLab/InternGPT
InternGPT (iGPT) is an open source demo platform where you can easily showcase your AI models. Now it supports DragGAN, ChatGPT, ImageBind, multimodal chat like GPT-4, SAM, interactive image editing, etc. Try it at igpt.opengvlab.com (支持DragGAN、ChatGPT、ImageBind、SAM的在线Demo系统)
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| Stars | 3,203 |
SamurAIGPT/Camel-AutoGPT
🚀 Introducing 🐪 CAMEL: a game-changing role-playing approach for LLMs and auto-agents like BabyAGI & AutoGPT! Watch two agents 🤝 collaborate and solve tasks together, unlocking endless possibilities in #ConversationalAI, 🎮 gaming, 📚 education, and more! 🔥
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| Stars | 3,198 |
georgia-tech-db/evadb
Database system for AI-powered apps
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| Stars | 2,675 |
paulpierre/RasaGPT
💬 RasaGPT is the first headless LLM chatbot platform built on top of Rasa and Langchain. Built w/ Rasa, FastAPI, Langchain, LlamaIndex, SQLModel, pgvector, ngrok, telegram
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| Stars | 2,464 |
xusenlinzy/api-for-open-llm
Openai style api for open large language models, using LLMs just as chatgpt! Support for LLaMA, LLaMA-2, BLOOM, Falcon, Baichuan, Qwen, Xverse, SqlCoder, CodeLLaMA, ChatGLM, ChatGLM2, ChatGLM3 etc. 开源大模型的统一后端接口
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| Stars | 2,460 |
mattzcarey/code-review-gpt
Your personal code reviewer powered by LLMs (OpenAI GPT-3.5/4, Llama2, Azure AI) & Embeddings ⚡️ Improve code quality and catch bugs before you break production 🚀
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| Stars | 2,454 |
langchain-ai/langserve
LangServe 🦜️🏓
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| Stars | 2,329 |
refuel-ai/autolabel
Label, clean and enrich text datasets with LLMs.
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| Stars | 2,324 |
vearch/vearch
Distributed vector search for AI-native applications
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| Stars | 2,318 |
Mintplex-Labs/vector-admin
The universal tool suite for vector database management. Manage Pinecone, Chroma, Qdrant, Weaviate and more vector databases with ease.
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| Stars | 2,240 |
andreibondarev/langchainrb
Build LLM-backed Ruby applications
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| Stars | 1,989 |
melih-unsal/DemoGPT
🤖 Create LLM agents in a second with your prompts. Everything you need to create an LLM Agent - tools, prompts, frameworks, and models - all in one place.
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| Stars | 1,901 |
szczyglis-dev/py-gpt
Desktop AI Assistant powered by GPT-5, GPT-4, o1, o3, Gemini, Claude, Ollama, DeepSeek, Perplexity, Grok, Bielik, chat, vision, voice, RAG, image and video generation, agents, tools, MCP, plugins, speech synthesis and recognition, web search, memory, presets, assistants,and more. Linux, Windows, Mac
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| Stars | 1,850 |
SamurAIGPT/Open-Custom-GPT
Create Custom GPT and add/embed on your site using Assistants api
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| Stars | 1,827 |
peremartra/Large-Language-Model-Notebooks-Course
Practical course about Large Language Models.
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| Stars | 1,817 |
n4ze3m/dialoqbase
Create chatbots with ease
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| Stars | 1,793 |
richardyc/Chrome-GPT
An AutoGPT agent that controls Chrome on your desktop
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| Stars | 1,741 |
theodo-group/LLPhant
LLPhant - A comprehensive PHP Generative AI Framework using OpenAI GPT 4. Inspired by Langchain and LLamaIndex
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| Stars | 1,698 |
jina-ai/langchain-serve
⚡ Langchain apps in production using Jina & FastAPI
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| Stars | 1,639 |
psychic-api/psychic
Data integration platform for LLMs. Connect to SaaS tools with turnkey auth and sync documents from N data sources with only one integration
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| Stars | 1,623 |
sobelio/llm-chain
`llm-chain` is a powerful rust crate for building chains in large language models allowing you to summarise text and complete complex tasks
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| Stars | 1,603 |
kaushikb11/awesome-llm-agents
A curated list of awesome LLM agents frameworks.
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| Stars | 1,534 |
aws-samples/amazon-bedrock-samples
This repository contains examples for customers to get started using the Amazon Bedrock Service. This contains examples for all available foundational models
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| Stars | 1,476 |
