LangChain Chatbot Applications LLM Tools

LangChain-based chatbot projects with domain-specific or application-focused implementations (DeFi, dream interpretation, WeChat, etc.). Does NOT include LangChain framework tutorials, generic chatbot templates, or non-LangChain chatbot builders.

There are 180 langchain chatbot applications tools tracked. 1 score above 70 (verified tier). The highest-rated is Chainlit/chainlit at 82/100 with 11,715 stars. 1 of the top 10 are actively maintained.

Get all 180 projects as JSON

curl "https://pt-edge.onrender.com/api/v1/datasets/quality?domain=llm-tools&subcategory=langchain-chatbot-applications&limit=20"

Open to everyone — 100 requests/day, no key needed. Get a free key for 1,000/day.

# Tool Score Tier
1 Chainlit/chainlit

Build Conversational AI in minutes ⚡️

82
Verified
2 FullStackWithLawrence/aws-openai

Example ChatGPT chatbots using Langchain and OpenAI

55
Established
3 mfmezger/conversational-agent-langchain

FastAPI Backend for a Conversational Agent using Cohere, (Azure) OpenAI,...

55
Established
4 kvncampos/nautobot-ai-ops

Nautobot AI Plugin - Large Language Models (LLM), Model Context Protocol...

48
Emerging
5 haseeb-heaven/langchain-coder

Web Application that can generate code and fix bugs and run using various...

47
Emerging
6 mayooear/private-chatbot-mpt30b-langchain

Chat with your data privately using MPT-30b

47
Emerging
7 KardelRuveyda/uretken-yapayzeka-chatbot-gelistirme-temelleri

Sektörde Kampüs Kapsamında Üretken Yapay Zeka Yardımı ile Chatbot Geliştirme...

45
Emerging
8 Ramakm/AI-Chatbot

This repo is about an AI Chatbot using Python and FastAPI

44
Emerging
9 steamship-core/langchain-production-starter

Deploy LangChain Agents and connect them to Telegram

43
Emerging
10 teddylee777/langserve_ollama

무료로 한국어🇰🇷 파인튜닝 모델 받아서 로컬 LLM 호스팅. LangServe, Ollama, streamlit + RAG

43
Emerging
11 CotaAI/cota

Build domain AI assistants with annotated dialogue examples - 通过标注对话示例,低成本构建可靠智能体

42
Emerging
12 adlumal/GoalChain

GoalChain for goal-orientated LLM conversation flows

42
Emerging
13 farukalamai/ai-chatbot-using-Langchain-Pinecone

Chatbot Answering from Your Own Knowledge Base: Langchain, ChatGPT,...

41
Emerging
14 Protosec-Research/BinaryChat

ChatWithBinary: Advanced AI-powered binary analysis tool leveraging OpenAI &...

41
Emerging
15 The-Data-Dilemma/GroqStreamChain

GroqStreamChain is a real-time AI-powered chat app using FastAPI, WebSocket,...

41
Emerging
16 Tunnello/ChatBI

对话式商业智能分析Agent应用

41
Emerging
17 minhbtrc/langchain-chatbot

This code is an implementation of a chatbot using LLM chat model API and Langchain.

40
Emerging
18 DonGuillotine/langchain-claude-chatbot

This Smart Customer Support Chatbot is an intelligent and context-aware...

40
Emerging
19 shroominic/fastui-chat

💬 minimalistic ChatBot Interface in pure python

39
Emerging
20 GaoQ1/langchain-chatbot

Based on the Langchain framework, a retrieval and generative chatbot....

39
Emerging
21 kkdai/linebot-langchain

Utilizing a LINE Bot integrated with LangChain in Python to assist with...

38
Emerging
22 khanovico/chatbot-khan

chatbot implementation on custom dataset from scratch, pytorch

38
Emerging
23 xtekky/gpt4local

Openai-style, fast & lightweight local language model inference w/ documents

38
Emerging
24 Ryota-Kawamura/LangChain-Chat-with-Your-Data

Start building practical applications that allow you to interact with data...

37
Emerging
25 extrawest/fastapi-langgraph-chatbot-with-vector-store-memory-mcp-tools-and-voice-mode

A scalable AI chatbot platform built with FastAPI and LangGraph, featuring...

37
Emerging
26 nestordemeure/impersonator

Chat with an AI simulation of anyone as easily as copy-pasting text into a folder!

37
Emerging
27 pors/langchain-chat-websockets

LangChain LLM chat with streaming response over websockets

37
Emerging
28 aws-samples/aws-lex-conv-faq

Demonstration of LLM integration into a lex bot using Lambda codehooks and a...

37
Emerging
29 Seraphaious/SMS-AI

A Personalised AI Assistant Inspired by 'Diamond Age, Powered by SMS

37
Emerging
30 HimanshuMohanty-Git24/OdiaLingua

OdiaLingua is an innovative AI-powered chatbot platform designed to preserve...

36
Emerging
31 rishabkumar7/gemini-langchain-rag

A demo project to build a Google Cloud Certifications Chatbot using...

36
Emerging
32 build-on-aws/fullstack-llm-langchain-chatbot-on-aws

Build a Full stack Q&A Chatbot with Langchain, and LLM Models on Amazon Sagemaker

36
Emerging
33 ssheng/BentoChain

A voice-enabled chatbot application built using of 🦜️🔗 LangChain,...

34
Emerging
34 louis70109/BookingStep

LangChain integration with LINE Bot and Google Calendar link generator

33
Emerging
35 0ptim/JellyChat

🪼 AI chatbot for the DeFiChain ecosystem.

33
Emerging
36 ConnectAI-E/DataChat-API

👨‍🌾 基于langchain实现的知识库对话引擎,DataChat的后端核心API接口 A knowledge base dialogue...

33
Emerging
37 jasonrobwebster/langchain-webscraper-demo

A chatbot demo that scrapes a website and stores the result in a vector db,...

33
Emerging
38 mayflower/cloudbot

A simple langchain demo containing an agent to help you with everything...

32
Emerging
39 hanit-com/azure-openai-qa-retrieval

There is a new, more advanced solution in here:...

32
Emerging
40 Izu-33/Wazobia-The-Nigerian-Translator

Wazobia (The Nigerian Translator) is a chatbot that can translate English to...

32
Emerging
41 jabascal/chat_with_data_app

Chatbot app & Talking ChatBot to any source of data leveraging OpenAI and LangChain

32
Emerging
42 FrostMiKu/ChatGLM-LangChain

ChatGLM 6B 的模型与UI,通过 LangChain 与向量匹配实现本地知识库问答,支持流式输出

32
Emerging
43 kkdai/linebot-embedchain

LINEBot 透過 EmbedChain 來建立客服小幫手(範例)

32
Emerging
44 yuting1214/FastAPIChat

FastAPIChat is a powerful application for evaluating large language model...

31
Emerging
45 samalba/dagger-chatbot

AI Chatbot that helps you learn how to use Dagger

31
Emerging
46 fabimass/ai-chatbot-multiagent

An AI-powered chatbot aimed to deliver accurate and contextually relevant...

31
Emerging
47 nickShengY/chamberlain_multimodal_multiagent_chatbot

An AI-driven Multimodal multi-agent chatbot for home deployment to manage...

31
Emerging
48 GEERS-AI/langchain-chatbot-101

GEERS AI 2023

31
Emerging
49 Halil3509/Kuika-AI-Hackathon

less time more access to you

30
Emerging
50 aniketmaurya/chatbot-server

ChatBot App built using LangChain and Lightning AI

30
Emerging
51 Rohan-Jalil/langchain-chat-with-csv-files

Learning and building LLM application using Langchain 🦜🔗 and Open AI

30
Emerging
52 marketcalls/gptclone

LangChain App with Conversational Memory

30
Emerging
53 arham-kk/chainlit-langchain-chatbots

This repository contains chatbots built with LangChain & Chainlit. The...

30
Emerging
54 dikoalf/GroqAI-Bot

Simple chatbot using GrogAI with model Llama 3 and Langchain that can...

30
Emerging
55 ma-pony/langchain-wechat

基于langchain + fastapi + itchat搭建的微信聊天机器人,灵感来自于chatgpt-on-wechat

29
Experimental
56 kyopark2014/llama3-langchain-kor

It shows a korean chatbot using LangChain based on Llama3

29
Experimental
57 z-purr/ai-chat-bot-beta

⚡Dynamic AI Agent chatbot that can be trained from various sources

29
Experimental
58 ttpss930141011/yuwen-yorozuya-linebot

A LineBot implemented using LangChain, featuring conversation isolation and...

29
Experimental
59 doodledood/chat-flock

Driving Dynamic Multi-Participant Chat Interactions for AI and Human Discourse 🤖

29
Experimental
60 iMagist486/Chatbot-Slot-Filling

Chatbot slot filling based on LLM + langchian|多轮对话槽值填充。

29
Experimental
61 moochdt003/deepseek-langchain-groq-chatbot

An advanced AI chatbot implementation that combines the power of Groq's LLM...

28
Experimental
62 melogabriel/langchain-chatgpt

This is a project that uses the LangChain library and OpenAI's ChatGPT API...

28
Experimental
63 Jeomon/Python-Assistant

This a Python AI Assistant made by using langgraph and langchain. The...

28
Experimental
64 pwrshi/langchain_gigachat_dart

LangChain.dart integration module for SBER AI (GigaChat, GigaChat Pro)

28
Experimental
65 abhirockzz/langchaingo-dynamodb-chat-history

Chat history (memory) implementation for LangChain based on DynamoDB

27
Experimental
66 LiamConnell/codelabyrinth

Code Labyrinth is a tool for using LLM chatbots in coding workflows. It uses...

26
Experimental
67 Xaik89/chatbot_for_data_knowledge

ChatBot for your company data knowledge with UI

26
Experimental
68 Shalom-302/chainlit

a chatbot created only with python

26
Experimental
69 semantic-systems/nfdi-search-engine-chatbot

NFDI4DS Search Engine ChatBot

26
Experimental
70 kkdai/linebot-langchain-travel

LINE Bot using FastAPI, LangChain and OpenAI's GPT-3.5 model and multiple...

25
Experimental
71 sanchukanirupama/Langchain-personal-assistant

The personal assistance chatbot integrates appointment creation, Google...

24
Experimental
72 ShrishailSGajbhar/FullStackChatbot

Full stack LLM application created using React and FastAPI for document chatting

24
Experimental
73 quantmuse/esgchatbot

Build your own ESG chatbot

24
Experimental
74 Oubayhe/Chatbot-Service-with-FastAPI-LangChain-and-PostgreSQL

A simple Python-based chatbot service using FastAPI, LangChain for...

24
Experimental
75 Rohan-Jalil/langchain-chat-with-txt-files

Learning and building LLM application using Langchain 🦜🔗 and Open AI

24
Experimental
76 Chandrakant817/Chat-with-your-Image-data-using-using-LangChain

Chat with your Image data using using LangChain Framework

23
Experimental
77 kyopark2014/chatbot-based-on-Falcon-FM

It shows how to make a chabot based on Falcon foundation model using...

23
Experimental
78 neo1202/LangChain_GPT

透過langchain實現多功能問答GPT, 包含時事搜尋以及根據內部文件回答, 總結yt影片內容等

23
Experimental
79 ash-iiiiish/CSE-Core-Subject-Chatbot

A chatbot which can reply to all questions related to CSE core Subjects,...

22
Experimental
80 Tolulade-A/falcon7b-langchain-chatbot-test

A conversational chatbot using Falcon 7b instruct model & Creating a...

22
Experimental
81 tolgakurtuluss/EtihadAirlinesGPTPlugin-langchain

This is a script for LangChain framework-based GPT Plugin chatbot that...

21
Experimental
82 LaiLaK918/tthcm

Tư Tưởng Hồ Chí Minh Chatbot

21
Experimental
83 qniksefat/talk-with-lex

Lex Fridman Podcast Guests Q&A: You’re answered by different opinions using...

21
Experimental
84 minkj1992/jarvis

Customized bot with langchain and gpt4

21
Experimental
85 hollaugo/slack-agent-zapier

This code demonstrates how to use Zapier Natural Language Actions in a Slack bot

21
Experimental
86 JoyalAJohney/Conversational-AI

Introducing Eliza! A low-latency, human-like conversational AI with memory...

21
Experimental
87 Bussler/llm_vectorstorarge_chatbot

LLM to chat with your own documents

21
Experimental
88 arupa444/Mini-Chatbot-using-LangChain

Mini Chatbot (Rule-Based + LLaMA 3.2) A simple rule-based chatbot...

21
Experimental
89 moaaz12-web/Langchain-FastAPI

Langchain based chatbot with vectorstore based user retrieval, deployed with...

21
Experimental
90 ArslanKAS/LangChain-Chat-with-your-Data

Using LangChain learn data loading, splitting, embeddings, and advanced...

21
Experimental
91 AzureCosmosDB/cosmosdb-chat-history-langchaingo

Chat history implementation for Azure Cosmos DB NoSQL API using langchaingo...

20
Experimental
92 shaadclt/Debt-Recovery-Analysis-LangChain-Groq

This project leverages Langchain and Groq to analyze conversations between...

20
Experimental
93 tiansztiansz/langchain-chatyuan

基于本地知识库的轻量化对话机器人

20
Experimental
94 MahmoudMabrok/ChatWithCode

Local chat with your local git based repository, built using Ollama,...

20
Experimental
95 ouyangyanhuo/ModelChat

一个 NcatBot 的插件,实现大模型对话、图像识别,拥有持续对话、记忆能力

20
Experimental
96 skxwave/ai-chatbot

AI Chatbot with short-term and long-term memory support

19
Experimental
97 savantly-net/base-bot

A base chat bot image that can be quickly customized for domain knowledge

19
Experimental
98 willdphan/lex-agent

A conversational agent that answers user questions using transcripts from...

19
Experimental
99 shaadclt/Conversation-Analysis-LangChain-Groq

This project utilizes the LangChain and Groq to perform various analyses on...

19
Experimental
100 ITU-0327/CBA_Multilingual_Chatbot

This project aims to revolutionize chatbot accessibility for non-English...

19
Experimental
101 okahu-demos/okahu-demo-lc-openai

Okahu demo chatboth with Langchain and OpenAI

19
Experimental
102 RheagalFire/personalized_chat_bot

This is a personalized chatbot that uses context from the whatsapp chat...

19
Experimental
103 iblai/ibl-slack-chatgpt-langchain

Slack bot built on LangChain and ChatGPT.

19
Experimental
104 yidasanqian/ChatData

基于langchain开发的本地知识库AI

18
Experimental
105 hi-tech-AI/weather-chatbot-using-FastAPI-with-Langchain-SDK-Integration

Develop a FastAPI backend system that acts as a weather chatbot. The bot...

18
Experimental
106 1chooo/jarvis-linebot

Daily workflow tracker with the LINE BOT, AWS Lambda, s3, API Gateway,...

18
Experimental
107 mahmoudajawad/chat_chain

Simple chain toolings to build conversational applications

18
Experimental
108 Kerlinn/langchain-chatglm3-search-agent

一个小玩具demo:使用LangChain调用本地ChatGLM3-6B模型实现的搜索引擎agent

18
Experimental
109 Hamas-ur-Rehman/docs-query-chat-bot

This repository demonstrates how to use Langchain to create a chatbot that...

18
Experimental
110 IshaanLabs/learn-languages-using-AI-langchain-llama-whisper

Your AI Companion for Mastering Language and Communication!

18
Experimental
111 SubhamIO/langraph-chat-with-search-tools

Build a chatbot using LANGRAPH, which can search the web using different tools.

18
Experimental
112 arol9204/English_Speaking_AI_Examiner

Flawless English: Master the Language with Precision and Confidence Using AI

18
Experimental
113 AliaXueting/fastchat-Vicuna-Langchain-Modif_KnowledgeBase

fastchat/Integrate Langchain/Create Private Knowledge Base

18
Experimental
114 AigozhiyevB/danik-bot

A telegram bot with LangChain LLM technologies

17
Experimental
115 kartheekyakkala/lang-chain-usecases

A document-based chatbot that can answer questions and provide insights...

17
Experimental
116 mkafonso/eureka-2024

Slack Bot for information retrieval! Powered by LangChain, OpenAI, and a...

17
Experimental
117 kunal9922/Multilingual_Railways_Chatbot

This repository contains the source code and resources for a Railways...

17
Experimental
118 slangenbach/notebot

Let's have a chat about your notes

17
Experimental
119 julioaranajr/Groq_LangChain_Conversational_Chatbot

A simple application that allows users to interact with a conversational...

17
Experimental
120 amaljithkuttamath/falcon

LLM-powered chat application using Google Gemma via Ollama, LangChain, and Chainlit

17
Experimental
121 d-t-n/llama2-chatbot-deep-learning

Deep Learning expert chatbot built using Llama2, langchain and chainlit.

17
Experimental
122 Illia-the-coder/Falcon40B-Chatbot-Demo

Welcome to the Falcon 40B Chatbot Demo repository! This project demonstrates...

16
Experimental
123 JaimeLucena/langgraph-memory-chatbot

LangGraph Memory Chatbot — Persistent Conversational AI with LangChain +...

16
Experimental
124 bladealex9848/OmniChat

OmniChat es un asistente virtual versátil basado en Langchain, un poderoso...

15
Experimental
125 ineelhere/LangChain-Chat-with-Your-Data

LangChain Chat with Your Data course from DeepLearning.AI and LangChain

14
Experimental
126 HuynhNghiaKHMT/Chatbot_VnHistory

Using the Langchain framework combined with RAG techniques to build a...

14
Experimental
127 ndan0/CompassUTD

Unofficial UT Dallas chatbot with up-to-date information using MongoDB, PaLM...

13
Experimental
128 hitesh007-knight/Simple-Chatbot_Using_Langchain

A beginner-friendly chatbot project built with LangChain that demonstrates...

13
Experimental
129 sasadangelo/chatterpy

ChatterPy is a multi-providers, multi-protocols, and multi-model chatbot...

13
Experimental
130 KardelRuveyda/langchain-mystic

langchain-mystic is a LangChain framework based bot that currently...

13
Experimental
131 sothulthorn/LLM-powered-chatbot

A hands-on project exploring LangChain's core capabilities through two...

13
Experimental
132 Miltonnare/Chatbot-

Creating a chatbot using groq and langchain

13
Experimental
133 rio-ARC/Oracle-of-Delphi-Chatbot

An AI-powered oracle that speaks in prophecies, built with LangGraph,...

13
Experimental
134 jbhv12/red-jingles

A state-of-the-art holiday theme based AI chatbot focusing on scalability,...

13
Experimental
135 coderkun12/German-Chatbot

This is a project which was created with a aim of getting basic...

13
Experimental
136 deniaud/LangChain-mini

🦜️🔗 This is a python re-implementation of LangChain, in ~150 lines of code

13
Experimental
137 di37/dubai-tech-talk-intelligent-chatbot

This talk was about how to build intelligent chatbot using OpenAI,...

12
Experimental
138 ATh0ft/langchain_agent_robot_controller_ros2

An AI interface to control a bimanual robot using ChatGPT and LangChain

12
Experimental
139 sahanasai11/home-depot-chatbot

This repository contains a case study of the use of Large Language Models to...

12
Experimental
140 nasirus/github_helper

Auto-respond to GitHub issues and offer chat & Q&A features about your...

12
Experimental
141 Shehjad2019/groq-conversational-chatbot

A conversational chatbot built with Groq Llama 3.1 and LangChain, featuring...

12
Experimental
142 Boohdaaaan/Resumable-LLM-Stream-FastAPI-LangGraph

AI chat application with resumable LLM streaming, letting responses continue...

12
Experimental
143 ashutosh229/corporate-companion

A LangChain-based LLM-powered chatbot to assist employees with internal...

12
Experimental
144 ighoshsubho/SIH-Backend-Chatbot-Server

Backend chatbot server for SIH

11
Experimental
145 akshaya13/QandA-ChatBot

Conversational ChatBot with Message History

11
Experimental
146 iamdgarcia/langchain_chatbot

This project is a demonstration of how to build a chatbot using Langchain...

11
Experimental
147 Nachoeigu/memory_handler_s3

This repository allows you to handle remote memory of chatbot application...

11
Experimental
148 DanyalKh/Chatbot

Chatbot using ChatGPT, Python and langchain

11
Experimental
149 ayushwattal/ChatBot-Embedchain

Create a custom ChatBot using Embedchain

11
Experimental
150 nithin-kamal/Chat-bot

Chat Bot with langChain and OpenAI: Developed a fine tuned chatbot. Explore...

11
Experimental
151 Anag0es/chatbot_langchain

Chatbot interativo desenvolvido com as ferramentas LangChain, Panel e a API...

11
Experimental
152 abrarCSE29/Ai-Features-FastAPI

This repository aims to implement basic Ai features (Chatbot, OCR, Object...

11
Experimental
153 VinicyosFerreira/chatbot_ia_wpp

Chabot Inteligente de WhatsApp: Pipelines RAG e Langchain e orquestração via Docker

11
Experimental
154 Shahad-Busaidi/LangChain-Chat-With-Your-Data

This repository showcases a project developed as part of the SHE STEMS 3.0...

11
Experimental
155 Pavansomisetty21/chatbot-using-langchain-with-memory-using-GEMINI-LLM

In this we implement a chatbot using gemini LLM which stores previous chat history

11
Experimental
156 AyorindeTayo/Lang-Chain-Chat-bot

Chatbot uisng LLM'S Langchain and Ollama

11
Experimental
157 alexauren/enterprise-chatbot

In this project we were four summer interns at DNB who made a chatbot using...

11
Experimental
158 pugalkmc/langchain-llm

A simple console based chat bot using langchain

11
Experimental
159 olivrg/langchain-chatbot-with-redis

A conversational assistant that helps customers find items buried in a...

11
Experimental
160 ClueSec/chatty

A repository, which contains a simple chatbot.

11
Experimental
161 amirzarandi/customer-chatbot

Customer support chatbot for construction & home materials companies....

11
Experimental
162 szymciem8/Thesis-AI-Assistant

Thesis Assistant powered by OpenAI, Langchain and Vector databases.

11
Experimental
163 prgyn8/LangChain-GenAI-Data-Assistant

reACT agent for pandas using LLAMA3-70B—built with LangChain.

11
Experimental
164 vishalnagda1/langchain-ollama-stream

Langchain Ollama Streaming example implemented in the flask

11
Experimental
165 BuildWithLal/ai-powered-chatbots

This repository features multiple demo chatbots, each designed to handle a...

11
Experimental
166 blitzapurv/QAbot-Langchain

A conversational chatbot using Langchain's ConversationalRetrievalChain for...

11
Experimental
167 natserract/natserract-ai

Using Doc2Vec, Langchain and OpenAI to chat with Natserract blog...

11
Experimental
168 ad4r5hgs/hackathon-60-null

Hackathon project (won consolation price ^_____^)

11
Experimental
169 stylepatrick/custom-data-openai-rest-api

OpenAI linked with custom data and REST API for questions

11
Experimental
170 AtharvaTaras/ChatGPT-Local

A local implementation of ChatGPT using OpenAI API and LangChain

11
Experimental
171 eugengi/hello-ai

A collection of demos to tame and interact with LLMs (Generative AI) using...

11
Experimental
172 itsmethahseer/Chat-Bots

This is my repository for creating chatbots using various Machine learning...

11
Experimental
173 alfarasjb/OpenAI-Calendly

LangChain Chat Agent for setting appointments with Calendly and Google Calendar

10
Experimental
174 rishabkumar7/twilio-langchain-sms

A short demo of AI Summarizer bot build with LangChain and Twilio.

10
Experimental
175 kiwidreamz/telnyx_chatbot_exercise

interactive GPT chatbot for querying documentation, built using the...

10
Experimental
176 DineshikaSivapalaraja/LearnAI-Bot

Document based Q&A Chatbot with FastAPI, LangChain, HuggingFace

10
Experimental
177 march038/Langchain-Tavily-Websearch-GPT-Agent-Webapp

Use a Langchain GPT-agent to search the web with Tavily and answer the...

10
Experimental
178 djlord-it/CsChatbot

HITL Chatbot using Langchain

10
Experimental
179 Misash/CRM-ChatBot

Custom knowledge chatbot for CRM data using langchain, openAI llm and Pinecone

10
Experimental
180 elizabethsiegle/qanda-langchain-sms-lougehrig

Build a Question-Answering over Docs SMS Bot with LangChain in Python

10
Experimental