Decision Workspace
imbl vs im vs im-rc
Side-by-side comparison of Rust crates
61
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 | 61 | 55 | 52 |
| Total Downloads | 2.5M | 26.2M | 13.2M |
| 30d Downloads | 511.7K | 1.4M | 874.8K |
| Dependents | 749 | 3.6K | 530 |
| Releases | 13 | 36 | 16 |
| Last Updated | 120d ago | 1487d ago | 1487d ago |
| Age | 4y 9m | 9y 1m | 7y 9m |
Health Breakdown
imbl
Maintenance
11
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 61/100, but none of the options score above 80.
- •im has the most downloads (26.2M), suggesting wider adoption.
- •im is depended on by 3.6K crates — strongest ecosystem trust.
- •⚠ im, im-rc have not been updated in over a year.