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Top 5 Jupyter Notebook spaced-repetition Projects
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Project mention: Spaced Repetition Under the Hood: How We Decide When to Show a Word Again | dev.to | 2026-08-01
The obvious question for anyone who has read about this: why not FSRS, the algorithm Anki moved to? It models memory properly — every card carries difficulty, stability and retrievability, and the scheduler predicts the probability you'd recall the card today and picks the day that probability crosses your target retention.
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Project mention: Spaced Repetition Algorithm: A Three‐Day Journey from Novice to Expert | news.ycombinator.com | 2026-03-13
Nice article but small note:
>You might be thinking "If spaced repetition is so effective, why isn't it more popular?"
I might have thought that 30 years ago - but I can't remember the last time I used a flashcard app (phone, Desktop, etc) that didn't include SRS as the default algorithm. These days the new hotness is FSRS [1] which Anki uses.
[1] - https://github.com/open-spaced-repetition/srs-benchmark?tab=...
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memorize
Code and real data for "Enhancing Human Learning via Spaced Repetition Optimization", PNAS 2019
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spaced-selection
Code and real data for "Large-scale randomized experiment reveals machine learning helps people learn and remember more effectively", npj Science of Learning 2021
NOTE:
The open source projects on this list are ordered by number of github stars.
The number of mentions indicates repo mentiontions in the last 12 Months or
since we started tracking (Dec 2020).
Jupyter Notebook spaced-repetition discussion
Jupyter Notebook spaced-repetition related posts
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Why FSRS Is Better Than SM-2
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Spaced Repetition Algorithm: A Three‐Day Journey from Novice to Expert
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Show HN: Ricotta – Language Learning to Replace Anki
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Show HN: I combined spaced repetition with emails so you can remember anything
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FSRS explained, part 1: What it is and how it works
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AI flashcard scheduler with Dekki
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Only 6 days a week...help!
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A note from our sponsor - SaaSHub
www.saashub.com | 14 Aug 2026
Index
What are some of the best open-source spaced-repetition projects in Jupyter Notebook? This list will help you:
| # | Project | Stars |
|---|---|---|
| 1 | fsrs4anki | 4,037 |
| 2 | srs-benchmark | 247 |
| 3 | memorize | 188 |
| 4 | fsrs-vs-sm17 | 50 |
| 5 | spaced-selection | 35 |
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