PDF Document Chatbots Vector Databases

Full-stack applications and systems that enable conversational Q&A interactions with PDF documents through RAG pipelines. Includes end-to-end implementations with UI/frontend, vector storage, and LLM inference. Does NOT include vector database tools, embedding services, or RAG frameworks used as dependencies—only complete chatbot applications.

There are 123 pdf document chatbots tools tracked. 1 score above 70 (verified tier). The highest-rated is biocypher/biochatter at 73/100 with 196 stars and 463 monthly downloads.

Get all 123 projects as JSON

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#	Tool	Score	Tier	Stars	Language
1	biocypher/biochatter Backend library for conversational AI in biomedicine	73	Verified	196	Jupyter Notebook
2	7-docs/7-docs Use local files or public GitHub repository as a source and ask questions...	50	Established	126	TypeScript
3	pgalko/BambooAI A Python library powered by Language Models (LLMs) for conversational data...	50	Established	768	Python
4	redis-developer/ArXivChatGuru Use ArXiv ChatGuru to talk to research papers. This app uses LangChain,...	48	Emerging	554	Python
5	redis-developer/LLM-Document-Chat Using LlamaIndex, Redis, and OpenAI to chat with PDF documents....	45	Emerging	114	Jupyter Notebook
6	Kedhareswer/QuantumPDF_ChatApp_VectorDB QuantumPDF V1.3 enables intelligent conversations with PDF documents. Built...	39	Emerging	7	TypeScript
7	fau-masters-collected-works-cgarbin/gpt-all-local A "chat with your data" example: using a large language models (LLM) to...	38	Emerging	30	Python
8	djleamen/doc-reader Large document Q&A agent using RAG	36	Emerging	2	Python
9	mallahyari/drqa How to create Question-Answering system combining Langchain and OpenAI	35	Emerging	172	TypeScript
10	Ratnesh-181998/Universal-PDF-RAG-Chatbot RAG-powered Document Q&A app using Python, Streamlit, LangChain, FAISS, and...	34	Emerging	2	Python
11	KonradSzafer/hugging-face-qa-bot QA Bot for Hugging Face documentation to accelerate development within the ecosystem.	34	Emerging	43	Python
12	ankushchhabra02/vortex Vortex is a self-hosted RAG (Retrieval-Augmented Generation) application...	33	Emerging	6	TypeScript
13	shamspias/langchain-chat langchain-chat is an AI-driven Q&A system that leverages OpenAI's GPT-4...	33	Emerging	90	Python
14	HyxiaoGe/fusion-api 统一的多模型AI聊天集成平台，支持文心一言、通义千问、DeepSeek、OpenAI等大模型，提供向量检索和文件处理功能。	29	Experimental	4	Python
15	semasuka/Talk-to-your-PDF An application that enable the users to upload PDF files and ask questions...	29	Experimental	23	Python
16	thatgirlfrommoon/Doc-Chat A Chatbot buddy for any websites	28	Experimental	8	Python
17	Arraj2611/doc_RAG Document based RAG QnA Chatbot Application	28	Experimental	7	JavaScript
18	jcpanggoygit/rag-chatbot-documents This repository contains a RAG-based chatbot that helps you ask questions...	27	Experimental	1	Python
19	lovelessbhartal12/ArthaBodh.ai ArthaBodh.ai is an AI-powered chatbot that provides Nepali-language answers...	26	Experimental	3	Jupyter Notebook
20	Mikanwolfe/Kuro A cute personal assistant in Discord using ChatGPT and Vector Databases	26	Experimental	5	Python
21	hpi-swa-lab/Squeak-SemanticText ChatGPT, embedding search, and retrieval-augmented generation for Squeak/Smalltalk	26	Experimental	17	Smalltalk
22	Pavansomisetty21/RAG-based-Intelligent-Conversational-AI-Agent-for-Knowledge-Extraction-Using-LangChain-Gemini-LLM In this we implements a Retrieval-Augmented Generation (RAG) based...	26	Experimental	7	Jupyter Notebook
23	ShubhamMandowara/llm_rag 🚀 Transform Any PDF into an AI-Powered Q&A Chatbot!	25	Experimental	4	Python
24	is-leeroy-jenkins/Boo A Python framework for building, deploying, and managing AI-powered...	25	Experimental	3	Jupyter Notebook
25	OpenOrca/FAQBot A self-expanding Discord bot that leverages a vector database for matching...	25	Experimental	4	Python
26	LaurentVeyssier/HomeMatch final project for UDACITY Building GenAI solutions 4 weeks course	25	Experimental	2	Jupyter Notebook
27	std-microblock/telegram-database A simple and fast chat records searching bot for Telegram. Supports OCR and...	25	Experimental	85	C++
28	avijit-jana/rag-streamlit-ui Lightweight Retrieval‑Augmented Generation (RAG) demo with Streamlit UI....	24	Experimental	2	Python
29	thejatingupta7/Taramandal-GPT 🌌 तारामंडल-GPT is a Thinking-large language model 🤖, combining RAG with...	24	Experimental	2	Jupyter Notebook
30	nathyBekele/redash-chatbot-add-on A Redash dashboard extension that integrates a chatbot powered by NLP and...	24	Experimental	3	Python
31	ansh-info/QueryGPT Context-aware chatbot using LLaMA 3.1 embeddings and a vector database for...	24	Experimental	4	Python
32	YOUSSEF01234587/DataScience_Chatbot Bilingual (Arabic/English) Data Science Chatbot using NLP Vector Embeddings...	23	Experimental	1	Python
33	realjules/ai-podcast-cohost An interactive AI-powered podcast co-host with voice interaction and...	23	Experimental	2	HTML
34	deBUGger404/RAG-Powered-GPT-4-Chatbot 🚀 Revolutionize your data interaction with a cutting-edge chatbot built on...	23	Experimental	2	HTML
35	ekshaks/langchoice "if-then-else" over topics made up of free-form sentences. Build...	22	Experimental	1	Python
36	sen-igga/IndexGPT 🤖 Build a local AI assistant for research using RAG, SFT, and LoRA to ingest...	22	Experimental	—	JavaScript
37	luigigargioni/KnowledgeManagerLLM Knowledge Manager LLM	22	Experimental	—	Python
38	Dev-solder124/genAI A mental health chatbot with intelligent memory.	22	Experimental	3	JavaScript
39	alagarsamy-m/Document-Responder-Multi-AI-Agent Document Responder - Multi Agent AI - Powered By OpenSource LLM (Llama3 - 8b)	22	Experimental	4	Python
40	ziligy/simpleChat_llama2_mac_silicon A simple chat app with embeddings and vector database, exclusively for local...	22	Experimental	7	Python
41	isherous/bible_chats RAG (Retrieval-augmented generation) app made with Flutter, Firebase,...	20	Experimental	5	Dart
42	AvishkaGihan/brainvault-rag-mobile Chat with your documents. Upload PDFs and ask natural language questions....	20	Experimental	1	Dart
43	natelalor/AI_report_generator A tool that converts long audio files into a thorough, summarized report....	19	Experimental	8	Python
44	jibbs1703/Retail-Chat-Agent-ETL This repository contains the scripts to build and deploy the data pipeline...	19	Experimental	—	Python
45	muhammednsonmez/gaih-rag-chatbot Google Gemini ve ChromaDB tabanlı, Kali Linux dokümantasyonu için...	19	Experimental	—	Python
46	rusiru-erandaka/Natural_language_Agentic_Business_chatbot Built an agentic business chatbot that combines Pinecone‑powered RAG over...	19	Experimental	—	Python
47	samarthsaxena2004/note-wave Tired of boring textbooks? NoteWave uses RAG to turn any PDF into research...	19	Experimental	—	TypeScript
48	syedalijaseem/Querious Querious – Chat with your documents using retrieval-augmented generation...	19	Experimental	—	TypeScript
49	certainly-param/serverless-rag-chatbot A modern, cost-efficient RAG (Retrieval Augmented Generation) chatbot that...	19	Experimental	—	JavaScript
50	JustaKris/Trump-Rally-Speeches-NLP-Chatbot Production-ready RAG-powered NLP API with Retrieval-Augmented Generation,...	19	Experimental	—	Jupyter Notebook
51	ikram98ai/bookish This repository powers an AI‐Powered Social Document Sharing Platform built...	19	Experimental	—	HTML
52	agnivon/chatpdf-agnivon RAG app for PDFs	19	Experimental	—	TypeScript
53	SachinSSh/rag-based-chatbot A comprehensive Retrieval-Augmented Generation (RAG) chatbot built with...	19	Experimental	—	Python
54	ShadowMonarchX/scalable-llm-faq-bot This project is an end-to-end AI-powered FAQ chatbot that can answer...	18	Experimental	4	Jupyter Notebook
55	umarwaseeem/thesis-rag-chatbot-gemini retreival augmented generation based chatbot using langchain and google's...	17	Experimental	5	Jupyter Notebook
56	idaholab/ranger This repository contains a Python-based auto-response bot that uses the...	17	Experimental	—	Python
57	Bekalu1997et/chatbot-2 a Chat bot used RAG system to talk with your pdf files	16	Experimental	1	Python
58	TalhaBruh/Gemini-RAG-model-in-FastAPI-using-Langchain RAG model created in langchain using python to tune Gemini API and give it...	16	Experimental	4	Python
59	Ghost-141/PDF-QA-System RAG Based System to chat with PDF Files including support for complex...	16	Experimental	1	Python
60	jatin-12-2002/E-Commerce_ChatBot An advanced E-commerce chatbot using RAG, LLaMA 3.1-8B, and LangChain,...	16	Experimental	2	Jupyter Notebook
61	hereandnowai/ask-my-docs-langchain-gradio Upload PDFs, ask questions, and get answers with source references using...	15	Experimental	6	Python
62	Samandar2005/Smart-RAG-Assistant ⚡️ Ultra-fast RAG Assistant built with Groq (Llama 3), FastAPI, LangChain,...	15	Experimental	—	Python
63	Seikh05/RAG-App RAG based PDF chat web app built on Langchain by leveraging Groq the API...	15	Experimental	—	Jupyter Notebook
64	NadiiaBCN/ai-chatbot Intelligent Telegram bot with automatic document indexing and vector-based...	15	Experimental	—	Python
65	Aryanthakur7/FloatChat-AI-Assistant FloatChat AI is a conversational AI platform for ARGO Ocean Data Discovery...	15	Experimental	5	Jupyter Notebook
66	RaheesAhmed/Personal-WhatsApp-Assistant This project integrates a WhatsApp bot with Langchain and OpenAI's...	15	Experimental	2	JavaScript
67	hindav/AskMyDocs A RAG-powered chatbot built with Streamlit and LangChain that lets you chat...	15	Experimental	1	Python
68	Subham-Maity/QChatAi Chat with Anything 📃	15	Experimental	21	TypeScript
69	tomthefreakmusic/DiscoChat DiscoChat is a Discord bot that integrates OpenAI's API and a vector...	14	Experimental	1	Python
70	Aishwarya-J05/RAG-ArXiv-chatbot Full-stack RAG chatbot over ArXiv AI papers. Upload PDFs, ask questions, get...	14	Experimental	—	JavaScript
71	aryantiwari7-web/langchain-web-scraping 🌐 Streamline web scraping with LangChain and Bright Data to enrich LLM...	14	Experimental	—	—
72	Roberto-star-afk/Moin-Projects 🔧 Build and manage projects efficiently with Moin-Projects, simplifying...	14	Experimental	—	HTML
73	cartoon1230/Telegram2txt 📥 Backup your Telegram chat history and media in simple text format with...	14	Experimental	—	Python
74	Msveersodha/LangChain-IBA-ChatBot The LangChain SIBA ChatBot is designed to assist students with information...	14	Experimental	—	Python
75	adi232323/rag-pdf-chatbot AI-powered PDF chatbot built using RAG (Retrieval-Augmented Generation),...	14	Experimental	—	HTML
76	revelingg/threat_bot Threat intelligence bot, powered by CHAT API, supported with local data &...	14	Experimental	—	Python
77	Sarthak504/GDG-AI-AGENT Built an intelligent Retrieval-Augmented Generation (RAG) AI assistant using...	14	Experimental	—	Python
78	Bheka77/GhanaGPT 🤖 Explore GhanaGPT, an AI assistant for document analysis and web search,...	14	Experimental	—	Python
79	hieuGoku/insight-chat Insight-Chat: Chat with your documents	14	Experimental	9	Python
80	rushidarge/Geeta-GPT GEETA GPT is an advanced AI application built using Retrieval-Augmented...	14	Experimental	1	Jupyter Notebook
81	StarLight1212/Story-Teller This repo mainly encapsulates an LLM model + front-end + back-end for...	13	Experimental	6	Python
82	lovelessbhartal12/SambidhanSathi-Nepal An AI-powered Nepali Constitution Q&A assistant. Users can ask questions in...	13	Experimental	2	Python
83	MindPal-Space/docubot Chat with any document	13	Experimental	10	Python
84	AlanSteinbarth/Audio-Notes-AI 🎤 System notatek głosowych z AI: transkrypcja OpenAI Whisper, wyszukiwanie...	12	Experimental	1	Python
85	oli2v/llm-chatbot Simple conversational agent with LLM and RAG	12	Experimental	1	Python
86	WKingston17/TurboChat Advanced AI Chat Application with RAG, Web Search, and Quiz System for Education.	12	Experimental	1	JavaScript
87	ZohaibCodez/academic-rag-assistant 🎓 AI-powered academic tutor using RAG to provide contextual answers from...	12	Experimental	1	Jupyter Notebook
88	heatuphetu/AI-Collective-ThunderBay Python-based AI chatbot using FastAPI and Streamlit with vector search...	12	Experimental	1	Python
89	jeremyvillanuevar/SecondBrainLLMAssistant LLM‑powered personal “Second Brain” assistant using LangChain, Streamlit,...	12	Experimental	1	Jupyter Notebook
90	FjjDessoyCaraballo/FastWrap Chatbot wrapper RESTful API service	12	Experimental	1	Python
91	shaadclt/Ed-Tech-Company-QA-Assistant This project is a QA (Question-Answering) assistant designed for an Ed-Tech...	12	Experimental	3	Python
92	SubhamIO/leetcode-chatbot-webapp LeetCode Chatbot that assists users with coding problems, algorithms, and...	12	Experimental	1	Python
93	tboudreaux/MethuselanThucydides Web App for using ChatGPT to summarize papers and ask questions of those papers	12	Experimental	3	Python
94	mahadev0811/CollegeChatbot This project is a Q&A chatbot designed for the Global Academy of Technology...	11	Experimental	2	Jupyter Notebook
95	junfanz1/LLM-Documentation-Chatbot A sophisticated chatbot application that helps users navigate and understand...	11	Experimental	2	Python
96	Yuvrajsrsingh/NerdBot-The-Learning-Chatbot NerdBot is a personalized career advice chatbot that uses...	11	Experimental	2	Python
97	aambekar234/semantic-search-and-llm-chat-app Scalable implementation of Semantic search and LLM powered chat bot for online store	11	Experimental	2	Python
98	Vedansh1857/GPT-4o_with_ObjectBox_VectorDB Detailed description given in the README	11	Experimental	2	Python
99	adhirajkar/pdf-ai-rag-chat An AI-powered chat app that lets users upload PDFs and ask questions about...	11	Experimental	—	TypeScript
100	Javier-Briceno/conversational-doc-agent Conversational AI agent for querying business documents via natural language...	11	Experimental	—	—
101	drawliin/Chat-Bot-Administration Bilingual assistant for Moroccan administrative procedures, focused on...	11	Experimental	—	JavaScript
102	SayamAlt/Multi-Domain-AI-Chatbot-using-Langchain Successfully developed a Multi-Domain AI Personal Assistant using LangChain,...	11	Experimental	—	Python
103	vardhin/RagAI A modern RAG (Retrieval-Augmented Generation) application that enables...	11	Experimental	—	Svelte
104	Ismail-2001/RAG-Chatbot A high-performance AI knowledge base that uses DeepSeek-V3 and Hybrid Search...	11	Experimental	—	Python
105	libraryofcelsus/LLM_NER_and_Branching_Hybrid_Search_Chatbot An example of Named-entity Recognition and relation mapping using an LLM and...	11	Experimental	2	Python
106	naman-kalwani/context-aware-assistant An async FastAPI-based chatbot with hybrid vector and knowledge-graph...	11	Experimental	—	Python
107	satyampurwar/ecommerce-chat-agent Conversational support agent for e-commerce orders. Built with...	11	Experimental	—	Python
108	Vigneshmaradiya/quantumchat-groq-rag 🚀 High-performance conversational AI with document intelligence - Built with...	11	Experimental	—	Python
109	Puneeth0106/Ecommerce-Chatbot Intelligent e-commerce chatbot with semantic routing, vector-based FAQ...	11	Experimental	—	Python
110	ejaj/aici-hybrid-qa Hybrid Q&A	11	Experimental	—	Python
111	RyanFabrick/UCSB-RAG-Chatbot AI-powered RAG (Retrieval Augmented Generation) chatbot for the UCSB College...	11	Experimental	—	Python
112	Engelbert107/RAG-Based-QA An intelligent chatbot that uses Retrieval-Augmented Generation (RAG) to...	11	Experimental	—	Python
113	Rudra-P11/REXbot-Multimodal-RAG This is a comprehensive Retrieval-Augmented Generation (RAG) system built...	11	Experimental	—	Python
114	cricsion/LinkMind LinkMind is an intelligent conversational ReAct agent built with LangChain...	11	Experimental	—	Python
115	AshutoshRajGupta/studypal-study-assistant StudyPal is a Retrieval-Augmented Generation (RAG) based AI chatbot built to...	11	Experimental	—	Python
116	agamyaaa14/StudySqueeze A full-stack RAG application using Python (FastAPI) and JavaScript to turn...	11	Experimental	—	Python
117	shashi9170/chatbot Modular AI chatbot backend with FastAPI, LangGraph agents, tool execution,...	11	Experimental	—	Python
118	SayamAlt/Customer-Support-Chatbot-using-Langchain Successfully designed and developed a customer support chatbot that...	10	Experimental	1	Python
119	Manithj/study-buddy-rag An interactive AI-powered study assistant that helps users engage with their...	10	Experimental	1	Python
120	IMvision12/RAG-LlamaIndex Chat with your PDF files using LLM model and VectorDatabase	10	Experimental	1	Python
121	svshreya02/Legal_Assistant-Langchain-Pinecone LangChain Chatbot is a conversational AI system designed to assist users...	10	Experimental	1	Jupyter Notebook
122	extrawest/conversational_rag_pdf Conversational RAG with PDF and chat history	10	Experimental	1	Python
123	aghoshpro/ChatDocument Chat with any document Text files (.txt, .md), PDF files (.pdf), Word...	10	Experimental	1	Jupyter Notebook

Comparisons in this category

doc-reader and doc_RAG (36 vs 28) Universal-PDF-RAG-Chatbot and doc_RAG (34 vs 28) Universal-PDF-RAG-Chatbot and rag-chatbot-documents (34 vs 27)