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
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    .. link-button:: https://github.com/bborn/howdoi.ai
        :type: url
        :text: HowDoI.ai
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    +++

    This is an experiment in building a large-language-model-backed chatbot. It can hold a conversation, remember previous comments/questions, 
    and answer all types of queries (history, web search, movie data, weather, news, and more).

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    .. link-button:: https://colab.research.google.com/drive/1sKSTjt9cPstl_WMZ86JsgEqFG-aSAwkn?usp=sharing
        :type: url
        :text: YouTube Transcription QA with Sources
        :classes: stretched-link btn-lg

    +++

    An end-to-end example of doing question answering on YouTube transcripts, returning the timestamps as sources to legitimize the answer.

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    .. link-button:: https://github.com/OpenBioLink/ThoughtSource
        :type: url
        :text: ThoughtSource
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    +++

    A central, open resource and community around data and tools related to chain-of-thought reasoning in large language models.

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    .. link-button:: https://github.com/blackhc/llm-strategy
        :type: url
        :text: LLM Strategy
        :classes: stretched-link btn-lg
    
    +++

    This Python package adds a decorator llm_strategy that connects to an LLM (such as OpenAI’s GPT-3) and uses the LLM to "implement" abstract methods in interface classes. It does this by forwarding requests to the LLM and converting the responses back to Python data using Python's @dataclasses.

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    .. link-button:: https://github.com/JohnNay/llm-lobbyist
        :type: url
        :text: Zero-Shot Corporate Lobbyist
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    +++

    A notebook showing how to use GPT to help with the work of a corporate lobbyist.

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    .. link-button:: https://dagster.io/blog/chatgpt-langchain
        :type: url
        :text: Dagster Documentation ChatBot
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    +++

    A jupyter notebook demonstrating how you could create a semantic search engine on documents in one of your Google Folders

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    .. link-button:: https://github.com/venuv/langchain_semantic_search
        :type: url
        :text: Google Folder Semantic Search
        :classes: stretched-link btn-lg

    +++

    Build a GitHub support bot with GPT3, LangChain, and Python.

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    .. link-button:: https://huggingface.co/spaces/team7/talk_with_wind
        :type: url
        :text: Talk With Wind
        :classes: stretched-link btn-lg

    +++

    Record sounds of anything (birds, wind, fire, train station) and chat with it.

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    .. link-button:: https://huggingface.co/spaces/JavaFXpert/Chat-GPT-LangChain
        :type: url
        :text: ChatGPT LangChain
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    +++

    This simple application demonstrates a conversational agent implemented with OpenAI GPT-3.5 and LangChain. When necessary, it leverages tools for complex math, searching the internet, and accessing news and weather.

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    .. link-button:: https://huggingface.co/spaces/JavaFXpert/gpt-math-techniques
        :type: url
        :text: GPT Math Techniques
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    +++

    A Hugging Face spaces project showing off the benefits of using PAL for math problems.

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    .. link-button:: https://colab.research.google.com/drive/1xt2IsFPGYMEQdoJFNgWNAjWGxa60VXdV
        :type: url
        :text: GPT Political Compass
        :classes: stretched-link btn-lg

    +++

    Measure the political compass of GPT.

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    .. link-button:: https://github.com/hwchase17/notion-qa
        :type: url
        :text: Notion Database Question-Answering Bot
        :classes: stretched-link btn-lg
    
    +++

    Open source GitHub project shows how to use LangChain to create a chatbot that can answer questions about an arbitrary Notion database.

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    .. link-button:: https://github.com/jerryjliu/gpt_index
        :type: url
        :text: GPT Index
        :classes: stretched-link btn-lg
    
    +++

    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.

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    .. link-button:: https://github.com/JavaFXpert/llm-grovers-search-party
        :type: url
        :text: Grover's Algorithm
        :classes: stretched-link btn-lg

    +++

    Leveraging Qiskit, OpenAI and LangChain to demonstrate Grover's algorithm

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    .. link-button:: https://huggingface.co/spaces/rituthombre/QNim
        :type: url
        :text: QNimGPT
        :classes: stretched-link btn-lg

    +++

    A chat UI to play Nim, where a player can select an opponent, either a quantum computer or an AI

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    .. link-button:: https://colab.research.google.com/drive/19WTIWC3prw5LDMHmRMvqNV2loD9FHls6?usp=sharing
        :type: url
        :text: ReAct TextWorld
        :classes: stretched-link btn-lg

    +++

    Leveraging the ReActTextWorldAgent to play TextWorld with an LLM!

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    .. link-button:: https://github.com/jagilley/fact-checker
        :type: url
        :text: Fact Checker
        :classes: stretched-link btn-lg
    
    +++

    This repo is a simple demonstration of using LangChain to do fact-checking with prompt chaining.

Misc. Colab Notebooks
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    .. link-button:: https://colab.research.google.com/drive/1AAyEdTz-Z6ShKvewbt1ZHUICqak0MiwR?usp=sharing
        :type: url
        :text: Wolfram Alpha in Conversational Agent
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    +++

    Give ChatGPT a WolframAlpha neural implant
    
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    .. link-button:: https://colab.research.google.com/drive/1UsCLcPy8q5PMNQ5ytgrAAAHa124dzLJg?usp=sharing
        :type: url
        :text: Tool Updates in Agents
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    +++

    Agent improvements (6th Jan 2023)
    
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    .. link-button:: https://colab.research.google.com/drive/1UsCLcPy8q5PMNQ5ytgrAAAHa124dzLJg?usp=sharing
        :type: url
        :text: Conversational Agent with Tools (Langchain AGI)
        :classes: stretched-link btn-lg
    
    +++

    Langchain AGI (23rd Dec 2022)    

Proprietary
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    .. link-button:: https://twitter.com/sjwhitmore/status/1580593217153531908?s=20&t=neQvtZZTlp623U3LZwz3bQ
        :type: url
        :text: Daimon
        :classes: stretched-link btn-lg

    +++

    A chat-based AI personal assistant with long-term memory about you.

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    .. link-button:: https://twitter.com/dory111111/status/1608406234646052870?s=20&t=XYlrbKM0ornJsrtGa0br-g
        :type: url
        :text: AI Assisted SQL Query Generator
        :classes: stretched-link btn-lg

    +++

    An app to write SQL using natural language, and execute against real DB.

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    .. link-button:: https://twitter.com/krrish_dh/status/1581028925618106368?s=20&t=neQvtZZTlp623U3LZwz3bQ
        :type: url
        :text: Clerkie
        :classes: stretched-link btn-lg

    +++

    Stack Tracing QA Bot to help debug complex stack tracing (especially the ones that go multi-function/file deep).

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    .. link-button:: https://twitter.com/Raza_Habib496/status/1596880140490838017?s=20&t=6MqEQYWfSqmJwsKahjCVOA
        :type: url
        :text: Sales Email Writer
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    +++

    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.

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    .. link-button:: https://twitter.com/chillzaza_/status/1592961099384905730?s=20&t=EhU8jl0KyCPJ7vE9Rnz-cQ
        :type: url
        :text: Question-Answering on a Web Browser
        :classes: stretched-link btn-lg

    +++

    By Zahid Khawaja, this demo utilizes question answering to answer questions about a given website. A followup added this for `YouTube videos <https://twitter.com/chillzaza_/status/1593739682013220865?s=20&t=EhU8jl0KyCPJ7vE9Rnz-cQ>`_, and then another followup added it for `Wikipedia <https://twitter.com/chillzaza_/status/1594847151238037505?s=20&t=EhU8jl0KyCPJ7vE9Rnz-cQ>`_.



