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Cool Demos
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
ThoughtSource
A central, open resource and community around data and tools related to chain-of-thought reasoning in large language models.
Notion Database Question-Answering Bot
Open source GitHub project shows how to use LangChain to create a chatbot that can answer questions about an arbitrary Notion database.
GPT Index
GPT Index is a project consisting of a set of data structures that are created using GPT-3 and can be traversed using GPT-3 in order to answer queries.
Grover's Algorithm
Leveraging Qiskit, OpenAI and LangChain to demonstrate Grover's algorithm
ReAct TextWorld
Leveraging the ReActTextWorldAgent to play TextWorld with an LLM!
Not Open Source
Daimon
A chat-based AI personal assistant with long-term memory about you.
Clerkie
Stack Tracing QA Bot to help debug complex stack tracing (especially the ones that go multi-function/file deep).
Sales Email Writer
By Raza Habib, this demo utilizes LangChain + SerpAPI + HumanLoop to write sales emails. Give it a company name and a person, this application will use Google Search (via SerpAPI) to get more information on the company and the person, and then write them a sales message.
Question-Answering on a Web Browser
By Zahid Khawaja, this demo utilizes question answering to answer questions about a given website. A followup added this for Youtube videos, and then another followup added it for Wikipedia.