Open Source Alternatives
Open source alternatives to PrivateGPT
Open source alternatives to PrivateGPT, ranked by GitHub stars and freshness.
19 open-source alternatives in the index, ranked by GitHub stars and freshness.
Quiver
Community
Opiniated RAG for integrating GenAI in your apps 🧠 Focus on your product rather than the RAG. Easy integration in existing products with customisation! Any LLM: GPT4, Groq, Llama.
Best for: Python developers building RAG features into existing applications who want to avoid vendor lock-in and infrastructure boilerplate.
Local GPT
Community
Chat with your documents on your local device using GPT models. No data leaves your device and 100% private.
Best for: Teams handling confidential documents who need offline document chat without external dependencies
DocsGPT
Community
Private AI platform for agents, assistants and enterprise search. Built-in Agent Builder, Deep research, Document analysis, Multi-model support, and API connectivity for agents.
Best for: Teams building internal document search and analysis tools who want open-source control and can manage their own infrastructure.
Casibase
Community
⚡️next-generation personal AI assistant powered by LLM, RAG and agent loops, supporting computer-use, browser-use and coding agent, demo: https://demo.openagentai.org
Best for: Developers who want an open-source, programmable AI assistant that can control the computer and browser.
ChatFiles
Community
Document Chatbot — multiple files. Powered by GPT / Embedding.
Best for: Developers needing a simple, customizable tool for document-based question answering
RasaGPT
Community
💬 RasaGPT is the first headless LLM chatbot platform built on top of Rasa and Langchain. Built w/ Rasa, FastAPI, Langchain, LlamaIndex, SQLModel, pgvector, ngrok, telegram
Best for: Developers building custom LLM chatbots with Rasa and Langchain
Notion QA
Community
Notion Question-Answering Bot 
Best for: Teams that need a quick question-answering bot over their Notion workspace
OpenDAN
Community
OpenDAN is an open source Personal AI OS , which consolidates various AI modules in one place for your personal use.
Best for: Developers and hobbyists who want to run and orchestrate multiple AI models locally on their own hardware.
Knowledge GPT
Community
Accurate answers and instant citations for your documents.
Best for: Developers and researchers who need a lightweight RAG solution for document Q&A with citation transparency.
Minima
Community
On-premises conversational RAG with configurable containers
Best for: Developers needing a self-hosted conversational RAG solution
ChatPDF
Community
Chat and Ask on your own data. Accelerator to quickly upload your own enterprise data and use OpenAI services to chat to that uploaded data and ask questions
Best for: Developers who want a quick, open-source starting point to experiment with chat over their own documents using OpenAI.
Robby-Chatbot
Community
AI chatbot 🤖 for chat with CSV, PDF, TXT files 📄 and YTB videos 🎥 | using Langchain🦜 | OpenAI | Streamlit ⚡
Best for: Developers and researchers who need a quick, customizable chatbot for document and video Q&A
Doc Search
Community
Converse with book - Built with GPT-3
Best for: Developers who want to experiment with book-based Q&A using GPT-3
Book GPT
Community
Drop a book, start asking question.
Best for: Students and avid readers who want to query books conversationally.
DataChad
Community
Ask questions about any data source by leveraging langchains
Best for: Developers who need a quick open-source Q&A orchestrator over their data
Second Brain AI Agent
Community
🧠 Second Brain AI agent
Best for: Developers wanting to build a custom personal AI knowledge assistant.
Flan5 LLM
Community
Google Colab
Best for: Developers and researchers who want to quickly test or fine-tune Flan5 without local infrastructure.
Paper QA
Community
LLM Chain for answering questions from documents with citations 
Best for: Developers who need a lightweight, open-source RAG chain for question answering from a fixed set of documents.
Query the YouTube video transcripts
Community
Google Colab
Best for: Developers and researchers who need to quickly extract and query text content from YouTube videos without building their own pipeline.