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fsrs

v5.2.0 Growing

FSRS for Rust, including Optimizer and Scheduler

BSD-3-Clause Edition 2024
AlgorithmsScience #algorithm#machine-learning#spaced-repetition#fsrs

Quick Verdict

  • โœ“Stable API (5.x for 2+ years)
  • โœ“Team maintained (2 owners)

Security

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Downloads
282.0K
Dependents
29
Releases
64
Size
92KB

Deep Insights

๐Ÿ“Š
Stable downloads

7.2K downloads in the last 30 days (239/day). Volume is roughly flat compared to the previous period.

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Team maintained

This crate is maintained by a team (2 owners), reducing bus-factor risk and ensuring continuity.

โœ…
Stable for 2+ years

The API has been stable (1.x) for over 2 years with 64 releases. This level of maturity means you can depend on it without worrying about breaking changes.

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Used by top crates

Notable dependents include ssr-algorithms, flashy, mem-yaml, kbsr, zen. When high-quality crates choose fsrs, it's a strong quality signal.

Health Breakdown

Maintenance 11/25

Recency, release consistency, active ratio

Quality 16/25

Yanked ratio, deps, size, maturity, features

Community 15/20

Reverse deps, ownership, ecosystem

Popularity 7/15

Downloads, momentum, growth trend

Documentation 10/15

Docs, repo, license, metadata

Download Trend

Daily downloads ยท last 90 days
345/day avg-66%
05001K2K12/291/162/32/213/113/28

Top Dependents

Version Adoption

v5.1.0
26%
v2.0.3
26%
v0.6.4
18%
v4.1.1
15%
v0.5.5
14%

Release Timeline

64 releasessince 2024
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2024
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2026
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README

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Maintainers

Dependencies
17
direct dependencies
Dependents
29
crates depend on fsrs

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