Decision Workspace
imbl vs im vs im-rc
Side-by-side comparison of Rust crates
60
imbl
growingv7.0.0
Immutable collection datatypes
55
im
growingv15.1.0
Immutable collection datatypes
52
im-rc
growingv15.1.0
Immutable collection datatypes (the fast but not thread safe version)
Core Metrics
| imbl | im | im-rc | |
|---|---|---|---|
| Health Score | 60 | 55 | 52 |
| Total Downloads | 3.5M | 28.6M | 14.5M |
| 30d Downloads | 372.5K | 872.8K | 468.0K |
| Dependents | 959 | 3.8K | 537 |
| Releases | 13 | 36 | 16 |
| Last Updated | 169d ago | 1536d ago | 1536d ago |
| Age | 4y 11m | 9y 2m | 7y 10m |
Health Breakdown
imbl
Maintenance
10
Quality
15
Community
13
Popularity
8
Documentation
14
im
Maintenance
6
Quality
13
Community
14
Popularity
8
Documentation
14
im-rc
Maintenance
4
Quality
14
Community
12
Popularity
8
Documentation
14
Technical Details
| imbl | im | im-rc | |
|---|---|---|---|
| Version | 7.0.0 | 15.1.0 | 15.1.0 |
| Stable (≥1.0) | ✓ Yes | ✓ Yes | ✓ Yes |
| License | MPL-2.0+ | MPL-2.0+ | MPL-2.0+ |
| Dependencies | 25 | 20 | 20 |
| Crate Size | 139KB | 117KB | 194KB |
| Features | 4 | 1 | 2 |
| Yanked % | 7.7% | 11.1% | 18.8% |
| Edition | 2018 | 2018 | 2018 |
| MSRV | 1.85 | 1.46.0 | 1.46.0 |
| Owners | 1 | 1 | 1 |
Links
Quick Verdict
- •imbl leads with a health score of 60/100, but none of the options score above 80.
- •im has the most downloads (28.6M), suggesting wider adoption.
- •im is depended on by 3.8K crates — strongest ecosystem trust.
- •⚠ im, im-rc have not been updated in over a year.