Discover the best projects built with LangChain

Game Asset Generator using Artificial Intelligence and NLP. Transforms natural language into game assets such as game objects, worlds, quests, storylines, branching-dialogue trees and 2D textures. Maintained by jamesvovos on GitHub, where it has earned 21 stars from the community.

Turn GraphQL APIs into LLM Tools. Maintained by DataSQRL on GitHub, where it has earned 21 stars from the community.

Museum-AI 。（LangGraph + LangChain），、，、，。Museum-AI ChromaDB Neo4j 、（PDF///CSV/JSON）、、，。、、、，。. Maintained by Tswoen on GitHub, where it has earned 21 stars from the community.

LLM-adaptive embeddings (Zero-shot / LoRA) with Generative Topic Modeling & Agent-based workflow for social science text mining. Maintained by CodeSoul-co on GitHub, where it has earned 21 stars from the community.

Classify your e-commerce products into categories of well-known e-commerce platforms. It uses OpenAI embeddings and LangChain. Maintained by sametcodes on GitHub, where it has earned 21 stars from the community.

Using langchain framework created some useful Ai applications. Maintained by jayeshironside on GitHub, where it has earned 21 stars from the community.

Notebooks showing off LangChain.js v0.1.0 features. Maintained by bracesproul on GitHub, where it has earned 20 stars from the community.

Embeddable Generative UI Chat widget. Maintained by thesysdev on GitHub, where it has earned 20 stars from the community.

Chat with PDF locally: An advanced chatbot using Ollama / Sambanova LLMs to interactively extract information from PDFs, Using Streamlit & Ollama / Sambanova API and langchain. Maintained by drisskhattabi6 on GitHub, where it has earned 20 stars from the community.

Reliable research infrastructure for AI agents. Evidence-backed web search with citations, confidence scores, and Clarity anti-hallucination. MCP server, REST API, Python SDK. Maintained by BrowseAI-HQ on GitHub, where it has earned 20 stars from the community.

Grounding LLMs in truth with under 30 lines of code. Maintained by varunshenoy on GitHub, where it has earned 20 stars from the community.

AI Framework for Remote Sensing Image Analysis using RAG - 88%+ accuracy, multi-modal queries, ChatGPT-like interface. Maintained by debanjan06 on GitHub, where it has earned 20 stars from the community.

Observra is an open-source observability and telemetry framework designed for AI and agentic systems, providing deep visibility into agent behavior, execution flows, runtime events, and inter-agent communication. Maintained by open-agent-ai-security on GitHub, where it has earned 20 stars from the community.

Exploring SOTA Advanced RAG techniques: This project implements a self reflective RAG, seamlessly integrating multiple knowledge sources (website, SQL, PDFs) while meticulously aligning with business requirements. Maintained by Taha0229 on GitHub, where it has earned 20 stars from the community.

AI Travel Agent - Intelligent multi-agent system powered by LangGraph that coordinates specialized AI agents (flight search, hotel booking, activity planning) to provide personalized travel recommendations and assistance. Maintained by aymen-000 on GitHub, where it has earned 20 stars from the community.

Production-grade RAG toolkit - ingest PDFs, DOCX, XLSX into Qdrant with LLM metadata extraction, hybrid search, and SHA256 deduplication. Maintained by laxmimerit on GitHub, where it has earned 20 stars from the community.

Langchain tool for time series forecasting. Maintained by pvl on GitHub, where it has earned 20 stars from the community.

Free AI Youtube Summarizer on your computer using mistral-instruct-v0.2, langchain and llama_index. Maintained by mayooear on GitHub, where it has earned 20 stars from the community.

generate open-source project ideas for developers, when you're bored and want to work on something. Maintained by fdemir on GitHub, where it has earned 20 stars from the community.

Cross-IDE, multi-stack agent skill for OpenUI (the Open Standard for Generative UI). Adds OpenUI to existing projects across 12 backend stacks, any LLM provider, and 11 agent platforms. Scaffold, integrate, validate. Maintained by OthmanAdi on GitHub, where it has earned 20 stars from the community.

Virtual personal assistant designed to simplify your daily tasks. Maintained by janbanot on GitHub, where it has earned 20 stars from the community.

Use AI to create your Presentations using llama2-7B. Maintained by IshaanLabs on GitHub, where it has earned 20 stars from the community.

Project: AI Roleplay Companion Key Features: Ad-Free & Free: No paywalls, no ads in chats Persistent Memory: Solves companion AI's "memory loss" issue Social Features: Diary & Social Feed (CatBox-style, implemented) Multi-LLM Support: Integrates major LLM APIs for character switching Tech Stack: Flask + LangGraph agent architect. Maintained by zzzlip on GitHub, where it has earned 20 stars from the community.

Uses Milvus and OpenAI's API to perform question answering over documents with a chat interface. Maintained by Snaiel on GitHub, where it has earned 20 stars from the community.

SoulCare is a mental health app using NLP to analyze social media sentiment, track symptoms, and offer AI-driven support with personalized reports, document uploads, and symptom-based prioritization. Maintained by kanugurajesh on GitHub, where it has earned 20 stars from the community.

Capable Langchain/AutoGPT alternative in ~350 lines of core code. Maintained by postman-open-technologies on GitHub, where it has earned 20 stars from the community.

LangChain + LangGraph + LangSmith. Maintained by estelledc on GitHub, where it has earned 20 stars from the community.

This is a RAG implementation using Open Source stack. BioMistral 7B has been used to build this app along with PubMedBert as an embedding model, Qdrant as a self hosted Vector DB, and Langchain & Llama CPP as an orchestration frameworks. Maintained by GURPREETKAURJETHRA on GitHub, where it has earned 20 stars from the community.

NewsPulse is AI powered news analytics app for investors. Maintained by arsentievalex on GitHub, where it has earned 20 stars from the community.

Ask Dr. Andrew Huberman questions and receive answers directly from his podcast episodes. Maintained by NinoRisteski on GitHub, where it has earned 20 stars from the community.

Task-steering — Implicit state-machine middleware for LangChain v1 agents. Ordered task pipelines with per-task tool scoping, dynamic prompt injection, and composable completion validation. Maintained by edvinhallvaxhiu on GitHub, where it has earned 20 stars from the community.