open-spaced-repetition/free-spaced-repetition-scheduler
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A spaced repetition algorithm based on DSR model
4 mentions on Hacker News by 4 people: 0 stories, 4 comments · first 2024-01-15 · latest 2025-05-18
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What does the 'Free' mean in the name? The algorithm (FSRS) supports reviewing in advance or delay. It's free for users to decide the time of review. And it will adapt to the user's memory. Meanwhile, spaced repetition is one essential…
comment by jarrett-ye · 2025-05-18 · in Spaced repetition systems have gotten better -
There is some progress in open source implementations. Anki originally used a SuperMemo-2 implementation, it now uses the improved FSRS algorithm. There is also an incremental reading addon. It's a fairly opinionated space, which is…
comment by ehnto · 2025-02-03 · in Spaced repetition can allow for infinite recall (2022) -
Hey sorry about that. I will take down the old FAQ, or at least redirect it to the new one. The other thing not mentioned in that section of the FAQ (that I will add now) is the re-review phase. When you miss a card during review it will…
comment by knubie · 2024-12-27 · in Implementing SM-2 in Rust -
Libraries: https://github.com/open-spaced-repetition/free-spaced-repeti... All are MIT licensed I believe, Anki is primarily AGPL
comment by david_allison · 2024-01-15 · in FSRS: A modern, efficient spaced repetition algorithm