Decision Workspace
arctic-map vs ferntree vs contrie
Side-by-side comparison of Rust crates
52
arctic-map
experimentalv0.1.3
Lock-free adaptive radix tree
52
ferntree
experimentalv0.7.0
Concurrent in-memory B+ Tree featuring optimistic lock coupling
50
contrie
growingv0.1.4
Concurrent map and set
Core Metrics
| arctic-map | ferntree | contrie | |
|---|---|---|---|
| Health Score | 52 | 52 | 50 |
| Total Downloads | 66 | 13.3K | 36.9K |
| 30d Downloads | 0 | 2.2K | 0 |
| Dependents | 0 | 3 | 53 |
| Releases | 4 | 6 | 5 |
| Last Updated | 5d ago | 53d ago | 2554d ago |
| Age | 7d | 2m | 7y 1m |
Health Breakdown
arctic-map
Maintenance
19
Quality
15
Community
6
Popularity
2
Documentation
10
ferntree
Maintenance
13
Quality
13
Community
8
Popularity
5
Documentation
13
contrie
Maintenance
4
Quality
13
Community
16
Popularity
5
Documentation
12
Technical Details
| arctic-map | ferntree | contrie | |
|---|---|---|---|
| Version | 0.1.3 | 0.7.0 | 0.1.4 |
| Stable (≥1.0) | ✗ No | ✗ No | ✗ No |
| License | MIT OR Apache-2.0 | MIT OR Apache-2.0 | Apache-2.0/MIT |
| Dependencies | 12 | 15 | 10 |
| Crate Size | 118KB | 199KB | 41KB |
| Features | 24 | 4 | 0 |
| Yanked % | 0.0% | 0.0% | 0.0% |
| Edition | 2024 | 2021 | 2018 |
| MSRV | — | — | — |
| Owners | 1 | 1 | 2 (team) |
Links
Quick Verdict
- •arctic-map leads with a health score of 52/100, but none of the options score above 80.
- •contrie has the most downloads (36.9K), suggesting wider adoption.
- •⚠ contrie has not been updated in over a year.