Brainy is a powerful, open-source active learning app that combines notebook-style notes, flashcards, and the FSRS spaced repetition algorithm to maximize long-term retention. It features an AI assistant that can generate flashcards from PDFs and documents, cloud sync across devices, and cross-platform support for Windows, macOS, and Linux (with iOS and Android coming soon). Key features include:
- Spaced Repetition: FSRS algorithm schedules reviews at optimal intervals.
- Notebook + Flashcards: Write notes and create flashcards, cloze deletions, and true/false cards in one place.
- AI Assistant: Generate flashcards from PDFs and documents instantly, or ask questions about your content.
- Cloud Sync & Backups: Data stays in sync across devices with automatic periodic backups.
- Open Source: Fully open source on GitHub, allowing inspection, contribution, and customization.
- Cross-Platform: Available on Windows, macOS, and Linux today.
Use cases include students, lifelong learners, and professionals who want to efficiently study and retain information.
