Open Source Alternatives
Open source alternatives to AnythingLLM
Open source alternatives to AnythingLLM, ranked by GitHub stars and freshness.
18 open-source alternatives in the index, ranked by GitHub stars and freshness.
Open WebUI
Various
User-friendly AI Interface (Supports Ollama, OpenAI API, ...)
Best for: Developers wanting a self-hosted chat UI for local or hybrid LLM deployments
Lobe Chat
Community
🤯 LobeHub is your Chief Agent Operator, organizing your agents into 7×24 operations by hiring, scheduling, and reporting on your entire AI team.
Best for: Teams building multi-agent systems who need open-source orchestration and want to avoid vendor lock-in
Private GPT
Community
Interact with your documents using the power of GPT, 100% privately, no data leaks
Best for: Teams handling confidential documents who need privacy guarantees over speed
privateGPT
Various
Interact with your documents using the power of GPT, 100% privately, no data leaks
Best for: Teams handling regulated or sensitive documents who need LLM capabilities without external data transfer
AI Chatbot
Community
A full-featured, hackable Next.js AI chatbot built by Vercel
Best for: Developers building AI chatbots in Next.js who want a working reference implementation to fork and customize
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
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
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.