Spaced repetition for language learners
A spaced-repetition workshop for serious language learners. Real FSRS-5 scheduling, AI-assisted capture, live collaboration, and an MCP server so your cards follow you everywhere.
Your memory, measured
Every review feeds a living model of what you know — and what's about to slip.
Why Opet
The current state-of-the-art memory model, with per-user weight optimization that learns how you forget.
Type the English, get the translation and the tags. A card lands in under five seconds.
Share a deck with your study partner. Same cards, separate stats, live updates as you both add.
Add cards from Cursor, Claude Desktop, anywhere with an MCP client. Your inbox becomes a deck.
Start a deck today. Review it for years.