8 Best Open Notebook Alternatives in 2026 (Open Source)

Open Notebook — An Open Source implementation of Notebook LM with more flexibility and features. Self-hosted NotebookLM alternative with 16+ provider support and 4-speaker podcast generation — vs Google NotebookLM which is cloud-only with 2 speakers

These 8 open-source tools do the same job. They are ordered by how closely they match Open Notebook, with live GitHub data so you can see which projects are actively maintained.

ToolGitHub starsStars / 30dLast commit
Open Notebook(original)39.7k+2,9162026-09-12
AnythingLLM66.6k+1,5642026-09-30
txtai13.0k+1022026-09-30
RAGapp4.4k+62024-11-04
DocsGPT18.3k+802026-09-30
Second Brain AI agent312+52026-04-05
developersdigest5.0k+22026-04-29
Doc Search598+02023-02-18
Open Assistant API367+12024-12-14
  1. 1. AnythingLLM

    The all-in-one AI productivity accelerator. On device and privacy first with no annoying setup or configuration.

    What sets it apart: Unlike Open WebUI (chat-only) or RAGFlow (enterprise RAG focus), AnythingLLM is the most complete all-in-one desktop AI app combining RAG, no-code agent builder, MCP compatibility, multi-user support, and embeddable widgets — requiring zero coding to set up a private AI workspace.

    Best for: Non-technical users who want a private, all-in-one ChatGPT replacement with document chat and agents; Small teams needing a self-hosted multi-user AI workspace with RAG and agent capabilities

  2. 2. txtai

    💡 All-in-one AI framework for semantic search, LLM orchestration and language model workflows

    What sets it apart: All-in-one framework combining vector search, LLM orchestration, agents, and multi-modal pipelines — unlike LangChain (orchestration-only) or Weaviate (DB-only), txtai covers the full stack from indexing to agents

    Best for: Building end-to-end semantic search + RAG applications in Python; Teams wanting a single framework for embeddings, LLM orchestration, and agents; Multi-modal search across text, images, audio, and video

  3. 3. RAGapp

    The easiest way to use Agentic RAG in any enterprise

    Best for: Enterprise teams needing self-hosted RAG with simple configuration UI; Organizations with data privacy requirements who can't use cloud AI services; Teams wanting OpenAI custom GPT-like experience on their own infrastructure

  4. 4. DocsGPT

    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: Enterprise teams building private document Q&A systems; Organizations needing on-premise AI deployment with data privacy control; Teams requiring multi-format document ingestion including audio workflows

  5. 5. Second Brain AI agent

    🧠 Second Brain AI agent

    Best for: Professionals with extensive personal note collections (Obsidian, markdown-based PKM); Researchers needing semantic search across mixed-format knowledge bases; Developers integrating personal knowledge into AI-powered workflows via MCP

  6. 6. developersdigest

    Perplexity Inspired Answer Engine

    What sets it apart: vs Perplexity / SearchGPT: open-source Perplexity clone built on Next.js + Vercel AI SDK — combines Brave/Serper search, Groq/OpenAI generation, and function calling (Maps, Shopping, Stocks) in a deployable package

    Best for: Building custom Perplexity-style AI search experiences; Learning RAG + streaming + search integration patterns; Prototyping answer engines with multi-source retrieval

  7. 7. Doc Search

    Converse with book - Built with GPT-3

    What sets it apart: vs ChatPDF / book-gpt: OCR-based PDF extraction (handles scanned documents) with optional fully local pipeline using HuggingFace models — no cloud dependency required

    Best for: Conversational Q&A over scanned or complex PDF documents; Users wanting local/offline document Q&A with HuggingFace models; Researchers needing to query academic papers or books interactively

  8. 8. Open Assistant API

    The Open Assistant API is a ready-to-use, open-source, self-hosted agent/gpts orchestration creation framework, supporting customized extensions for LLM, RAG, function call, and tools capabilities. It

    What sets it apart: Open-source OpenAI Assistant API compatible service supporting multiple LLMs via One API, with RAG, web search, and local deployment

    Best for: self-hosted-openai-assistant-alternative; multi-llm-assistant-apps; enterprise-local-deployment