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.
| Tool | GitHub stars | Stars / 30d | Last commit |
|---|---|---|---|
| Open Notebook(original) | 39.7k | +2,916 | 2026-09-12 |
| AnythingLLM | 66.6k | +1,564 | 2026-09-30 |
| txtai | 13.0k | +102 | 2026-09-30 |
| RAGapp | 4.4k | +6 | 2024-11-04 |
| DocsGPT | 18.3k | +80 | 2026-09-30 |
| Second Brain AI agent | 312 | +5 | 2026-04-05 |
| developersdigest | 5.0k | +2 | 2026-04-29 |
| Doc Search | 598 | +0 | 2023-02-18 |
| Open Assistant API | 367 | +1 | 2024-12-14 |
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. 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. 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. 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. 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. 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. 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. 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