Learn languages with flashcards you keep.
OpenDeck saves your decks, cards and study progress in your own ATproto account. Sign in with Bluesky or any PDS and start learning in a couple of minutes.
Find people to learn from
Search any ATproto account to see the decks they share.
You own everything
Your decks, cards and progress live in your ATproto repository. Export them or move them whenever you like.
Spaced repetition
Repeat studying cards exactly when they start to slip your mind.
Bring your decks
Import from Anki, Quizlet or a CSV file. Images and audio come along too.
Study anywhere
Install OpenDeck as an app and keep studying offline. Your progress syncs when you reconnect.
Ready to start?
Your first deck takes a minute. Everything you create stays in your own repository.
Get started