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fsrs
v5.2.0 GrowingFSRS for Rust, including Optimizer and Scheduler
BSD-3-Clause Edition 2024
Quick Verdict
- ✓Stable API (5.x for 2+ years)
- ✓Team maintained (2 owners)
Security
Checking security advisories...
Downloads
299.0K
Dependents
29
Releases
64
Size
92KB
Deep Insights
📈
Strong growth momentum
11.6K downloads in the last 30 days (386/day), up 93% from the previous period.
👥
Team maintained
This crate is maintained by a team (2 owners), reducing bus-factor risk and ensuring continuity.
✅
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.
🌟
Used by top crates
Notable dependents include ssr-algorithms, flashy, mem-yaml, kbsr, melete. When high-quality crates choose fsrs, it's a strong quality signal.
Health Breakdown
Maintenance 10/25
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 · last 90 days
272/day avg+66%
Top Dependents
Most downloaded crates that depend on fsrs
Version Adoption
v5.1.0
33%
v2.0.3
31%
v4.1.1
18%
v5.2.0
17%
v2.0.4
1%
Release Timeline
10 releasessince 2025
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README
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Maintainers
Dependencies
17
direct dependencies
Dependents
29
crates depend on fsrs