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jcalendar vs chrono vs jiff

Side-by-side comparison of Rust crates

Core Metrics

jcalendarchronojiff
Health Score366968
Total Downloads3.8K516.3M85.4M
30d Downloads435.1M11.3M
Dependents0278.0K5.2K
Releases39455
Last Updated874d ago32d ago24d ago
Age2y 4m11y 4m2y 1m

Health Breakdown

jcalendar
Maintenance
5
Quality
8
Community
6
Popularity
4
Documentation
13
chrono
Maintenance
17
Quality
10
Community
19
Popularity
8
Documentation
15
jiff
Maintenance
17
Quality
13
Community
15
Popularity
8
Documentation
15

Technical Details

jcalendarchronojiff
Version0.1.20.4.440.2.23
Stable (≥1.0)✗ No✗ No✗ No
LicenseMITMIT OR Apache-2.0Unlicense OR MIT
Dependencies41627
Crate Size4KB241KB760KB
Features01815
Yanked %66.7%23.4%0.0%
Edition202120212021
MSRV1.62.01.70
Owners12 (team)1

Quick Verdict

  • chrono leads with a health score of 69/100, but none of the options score above 80.
  • chrono is depended on by 278.0K crates — strongest ecosystem trust.
  • ⚠ jcalendar has not been updated in over a year.