spaced-repetition

SiYuan

SiYuanOpen

Local-first block notes with backlinks, sync, and flashcards

SiYuan is a local-first, privacy-first note-taking app that organizes Markdown notes as linked content blocks with backlinks, databases, and end-to-end encrypted sync.

Anki

Anki

Free flashcard app that schedules reviews with spaced repetition

Anki is a free flashcard program that schedules each card for review just before you are likely to forget it, cutting time spent on material you already know.