LibreIntel

An intelligent reading & research companion Android app.

Features

• PDF Reader - Import and read PDF documents with pinch-to-zoom support
• Learning Tree - Create hierarchical notes from your reading
• AI Assistant - Chat with AI about your notes (supports LLM integration)
• Math Rendering - LaTeX math notation support ($inline$ and $$block$$)
• Export/Import - Save and share your learning tree as JSON
• Offline-First - Works without internet (except for AI features)

Installation

1. Download the libreintel.apk file
2. On your Android device, go to Settings → Security
3. Enable "Install from unknown sources" (or "Allow from this source")
4. Open the downloaded APK file
5. Tap Install

Usage

PDF Tab

• Tap the folder icon to import a PDF
• Pinch to zoom, scroll to navigate
• Select text, then tap + to add as a note
• Use "Load Demo PDF" for testing

Tree Tab

• View your learning notes in a hierarchical tree
• Tap chat bubble to ask AI about any note
• Add child nodes from AI responses
• Export/Import tree as JSON

Settings Tab

• Configure your LLM API endpoint (default: DashScope)
• Set your API key and model

Technical Stack

• Kotlin + Jetpack Compose
• MVVM + Clean Architecture
• Room Database
• Hilt Dependency Injection

License

MIT License

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Built with ❤️ for curious learners