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Show HN: PageLM – Open-Source NotebookLM Alternative (React/Node/LangChain)

PageLM, an open-source AI education platform developed by caviraOSS, converts study materials into interactive resources such as quizzes, flashcards, structured notes, and podcasts. Built with React, Node.js, and LangChain, it supports multiple LLM providers including Google Gemini, OpenAI GPT, Anthropic Claude, xAI Grok, MiniMax, Ollama, and OpenRouter, and is available on GitHub.

read3 min views5 publishedAug 17, 2026
Show HN: PageLM – Open-Source NotebookLM Alternative (React/Node/LangChain)
Image: Michielbdejong (auto-discovered)

An open source AI powered education platform that transforms study materials into interactive learning experiences, slightly inspired by NotebookLM

demo.mp4 #

Note: If the video doesn't load above, you can[download the demo video directly]

PageLM converts study material into interactive resources including quizzes, flashcards, structured notes, and podcasts.

The platform provides a modern interface for students, educators, and researchers to enhance learning efficiency using state-of-the-art LLMs and TTS systems.

Contextual Chat– Ask questions about uploaded documents (PDF, DOCX, Markdown, TXT)** SmartNotes**– Generate Cornell-style notes automatically from topics or uploaded content** Flashcards**– Extract non-overlapping flashcards for spaced repetition** Quizzes**– Create interactive quizzes with hints, explanations, and scoring** AI Podcast**– Convert notes and topics into engaging audio content for learning on the go** Voice Transcribe**- Convert lecture recordings and voice notes into organized, searchable study materials instantly.** Homework Planner**- Plans your Homework Smartly using AI, Assists if your stuck.** ExamLab**- Simulate any exam, get feedback, and be prepared for the exam** Debate**- Debate with AI to improve your Debate skills.** Study Companion**- A personalised AI Companion that assists you.

  • Google Gemini • OpenAI GPT • Anthropic Claude • xAI Grok • MiniMax• Ollama (local) • OpenRouter

  • OpenAI • Gemini • Ollama

  • WebSocket streaming for real-time chat, notes, and podcast generation

  • JSON or vector database support for embeddings and retrieval

  • File-based persistent storage for generated content

  • Markdown-based outputs for structured answers and notes

  • Configurable multi-provider setup for LLMs and TTS engines

Component Technology
Backend
Node.js, TypeScript, LangChain, Langraph
Frontend
Vite, React, TailwindCSS
Database
JSON (default), optional vector DB
AI/ML
Multiple LLM providers, embeddings
Audio
Edge TTS, ElevenLabs, Google TTS, Speech SDK (OpenAI, Cartesia, Hume, MiniMax + 10 more)
Deployment
Docker, Docker Compose
Docs
pdf-lib, mammoth, pdf-parse
  • Node.js v21.18+
  • npm or pnpm
  • ffmpeg (required for podcast audio)
  • Docker (optional)
git clone https://github.com/caviraOSS/pagelm.git
cd pagelm

  chmod 777 ./setup.sh
  ./setup.sh

  Set-ExecutionPolicy -ExecutionPolicy RemoteSigned -Scope CurrentUser
  ./setup.ps1

  cd backend
  npm install
  cd ../frontend
  npm install

  cd ..
  npm i -g nodemon
  cp .env.example .env

  cd backend
  npm run dev

  cd frontend
  npm run dev

👉 Access at: http://localhost:5173

docker compose up --build

docker compose -f docker-compose.yml -f docker-compose.prod.yml up -d --build

All configuration is handled via environment variables:

LLM Provider– Choose your model backend** TTS Engine**– Select speech service for podcasts** Database Backend**– JSON or vector DB** File Upload Limits**– Customize size/format limits

See .env.example

for all options.

Join our Discord community to connect, share ideas, and take part in exciting discussions!

We welcome all contributions.

  • Fork the repository
  • Create a feature branch ( git checkout -b feature/new-feature

) - Commit changes ( git commit -m "Add feature"

) - Push ( git push origin feature/new-feature

) - Open a Pull Request

Guidelines:

  • Follow code style and conventions

  • Add tests where needed

  • Update docs for new features

  • Ensure all tests pass before PR

  • AI model integrations

  • Mobile app support

  • Performance improvements

  • Accessibility features

  • Docs & tutorials

If you find PageLM useful, please consider supporting:

Ethereum (ERC-20):

0x5a12e3f48b6d761a120bc3cd0977e208c362a74e

Your support helps fund ongoing development and hosting.

Licensed under the CaviraOSS Community License.

Free to use, share, and modify for personal and educational purposes.

Commercial use or resale requires prior written permission from CaviraOSS.

See LICENSE for full terms.

Built with ❤️ by CaviraOSS and contributors

⭐ Star us on GitHub if this project helps you!

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