Decision Workspace
fs2 vs fs3 vs fs4
Side-by-side comparison of Rust crates
51
fs2
growingv0.4.3
Cross-platform file locks and file duplication.
47
fs3
growingv0.5.0
Cross-platform file locks and file duplication.
58
fs4
growingv0.13.1
No libc, pure Rust cross-platform file locks. Original fs2, now supports async and replace libc by rustix.
Core Metrics
| fs2 | fs3 | fs4 | |
|---|---|---|---|
| Health Score | 51 | 47 | 58 |
| Total Downloads | 55.2M | 1.5M | 36.1M |
| 30d Downloads | 3.4M | 41.4K | 3.4M |
| Dependents | 7.2K | 685 | 1.7K |
| Releases | 12 | 2 | 28 |
| Last Updated | 3002d ago | 2187d ago | 384d ago |
| Age | 10y 6m | 6y | 4y 2m |
Health Breakdown
fs2
Maintenance
5
Quality
15
Community
12
Popularity
8
Documentation
11
fs3
Maintenance
3
Quality
14
Community
11
Popularity
7
Documentation
12
fs4
Maintenance
8
Quality
12
Community
15
Popularity
8
Documentation
15
Technical Details
| fs2 | fs3 | fs4 | |
|---|---|---|---|
| Version | 0.4.3 | 0.5.0 | 0.13.1 |
| Stable (≥1.0) | ✗ No | ✗ No | ✗ No |
| License | MIT/Apache-2.0 | MIT/Apache-2.0 | MIT OR Apache-2.0 |
| Dependencies | 3 | 4 | 14 |
| Crate Size | 13KB | 13KB | 29KB |
| Features | 0 | 0 | 9 |
| Yanked % | 0.0% | 0.0% | 14.3% |
| Edition | — | 2018 | 2021 |
| MSRV | — | — | 1.75.0 |
| Owners | 1 | 1 | 1 |
Links
Quick Verdict
- •fs4 leads with a health score of 58/100, but none of the options score above 80.
- •fs2 has the most downloads (55.2M), suggesting wider adoption.
- •fs2 is depended on by 7.2K crates — strongest ecosystem trust.
- •⚠ fs2, fs3, fs4 have not been updated in over a year.