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# LangChain Gallery

Lots of people have built some pretty awesome stuff with LangChain. This is a collection of our favorites. If you see any other demos that you think we should highlight, be sure to let us know!

## Open Source

HowDoI.ai

YouTube Transcription QA with Sources

QA Slack Bot

ThoughtSource

LLM Strategy

Zero-Shot Corporate Lobbyist

Dagster Documentation ChatBot

Google Folder Semantic Search

Talk With Wind

ChatGPT LangChain

GPT Math Techniques

GPT Political Compass

Notion Database Question-Answering Bot

LlamaIndex

Grover’s Algorithm

QNimGPT

ReAct TextWorld

Fact Checker

DocsGPT

### Misc. Colab Notebooks

Wolfram Alpha in Conversational Agent

Tool Updates in Agents

Conversational Agent with Tools (Langchain AGI)

## Proprietary

Daimon

Summarize any file with AI

AI Assisted SQL Query Generator

Clerkie

Sales Email Writer

Question-Answering on a Web Browser

Mynd