Decision Workspace
rrules vs rrule vs truth-engine
Side-by-side comparison of Rust crates
39
rrules
growingv0.2.3
A library for working with recurrence rules
57
rrule
growingv0.14.0
A pure Rust implementation of recurrence rules as defined in the iCalendar RFC.
44
truth-engine
experimentalv0.3.1
Deterministic calendar computation for AI agents: RRULE expansion, availability merging, timezone conversion, and temporal resolution
Core Metrics
| rrules | rrule | truth-engine | |
|---|---|---|---|
| Health Score | 39 | 57 | 44 |
| Total Downloads | 8.5K | 500.3K | 83 |
| 30d Downloads | 12 | 36.2K | 22 |
| Dependents | 0 | 133 | 0 |
| Releases | 7 | 43 | 6 |
| Last Updated | 908d ago | 341d ago | 28d ago |
| Age | 3y 1m | 5y 5m | 1m |
Health Breakdown
rrules
Maintenance
4
Quality
15
Community
5
Popularity
5
Documentation
10
rrule
Maintenance
9
Quality
15
Community
11
Popularity
7
Documentation
15
truth-engine
Maintenance
12
Quality
13
Community
5
Popularity
2
Documentation
12
Technical Details
| rrules | rrule | truth-engine | |
|---|---|---|---|
| Version | 0.2.3 | 0.14.0 | 0.3.1 |
| Stable (≥1.0) | ✗ No | ✗ No | ✗ No |
| License | MIT | MIT OR Apache-2.0 | MIT OR Apache-2.0 |
| Dependencies | 3 | 9 | 7 |
| Crate Size | 23KB | 75KB | 39KB |
| Features | 0 | 5 | 0 |
| Yanked % | 0.0% | 4.7% | 0.0% |
| Edition | 2021 | 2021 | 2021 |
| MSRV | — | 1.74.0 | 1.88 |
| Owners | 1 | 1 | 1 |
Links
Quick Verdict
- •rrule leads with a health score of 57/100, but none of the options score above 80.
- •rrule is depended on by 133 crates — strongest ecosystem trust.
- •⚠ rrules has not been updated in over a year.