Open Spaced Repetition

fsrs4anki

A modern Anki custom scheduling based on Free Spaced Repetition Scheduler algorithm

free-spaced-repetition-scheduler

A spaced repetition algorithm based on DSR model

fsrs4anki-helper

An Anki add-on that supports Postpone & Advance & Load Balance & Easy Days & Disperse Siblings

fsrs.js

A spaced repetition algorithm which overtakes Anki and catches up with SuperMemo.

fsrs-rs

FSRS for Rust, including Optimizer and Scheduler

ts-fsrs

ts-fsrs is a versatile package based on TypeScript that supports ES modules, CommonJS, and UMD.

py-fsrs

Python Package for FSRS

obsidian-spaced-repetition-recall

Fight the forgetting curve by reviewing flashcards & entire notes on Obsidian.md

fsrs-optimizer

FSRS Optimizer Package

go-fsrs

Go Module for FSRS

srs-benchmark

A benchmark for spaced repetition schedulers/algorithms

fsrs4remnote

A modern RemNote scheduler plugin based on free spaced repetition scheduler algorithm

swift-fsrs

Swift Package for FSRS

rs-fsrs

Rust-based Scheduler for FSRS

anki_fsrs_visualizer

Anki FSRS Visualizer

fsrs-browser

FSRS for the browser, including Optimizer and Scheduler

short-term-memory-research

dart-fsrs

Dart Package for FSRS

rb-fsrs

A ruby implementation of the Open Spaced Repetition's Free Spaced Repetition Scheduler

7-repetitions-are-not-enough

7 repetitions are not enough to remember information for life

fsrs-when-to-separate-presets

fsrs4anki_app

This application can give you personalized anki parameters without having to code.

fsrs4anki_previewer

real-spaced-repetition-curve

Myth: Forgetting rate always decreases after Study/Repetition

review-sort-order-comparison

.github

Anki-button-usage

fsrs4anki_simulator

Here is a simulator for FSRS4Anki. It can simulate the learning process of a deck with given weights and parameters.

burn

Burn - A Flexible and Comprehensive Deep Learning Framework in Rust

forgetting-curve-outlier-analysis