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Claude Code skills for active learning: spaced-repetition flashcards, Socratic drilling, and long-running mentorship.
This wiki is the home for longer-form documentation — including the companion book — that doesn't belong in the repo's README.
- The book (coming soon)
XDD is free and always will be. But building and maintaining it isn't. Back it with a ★ Support — $9 each, no subscription, no catch.
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