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rarena-allocator vs arena-b vs concurrent-slotmap

Side-by-side comparison of Rust crates

Core Metrics

rarena-allocatorarena-bconcurrent-slotmap
Health Score495548
Total Downloads84.5K5344.5K
30d Downloads19521160
Dependents6702
Releases57173
Last Updated397d ago86d ago245d ago
Age1y 9m4m1y 6m

Health Breakdown

rarena-allocator
Maintenance
8
Quality
9
Community
11
Popularity
6
Documentation
15
arena-b
Maintenance
14
Quality
19
Community
6
Popularity
3
Documentation
13
concurrent-slotmap
Maintenance
8
Quality
9
Community
12
Popularity
4
Documentation
15

Technical Details

rarena-allocatorarena-bconcurrent-slotmap
Version0.6.01.0.00.2.0-alpha.1
Stable (≥1.0)✗ No✓ Yes✗ No
LicenseMIT OR Apache-2.0MIT OR Apache-2.0MIT OR Apache-2.0
Dependencies1853
Crate Size64KB67KB29KB
Features590
Yanked %84.2%0.0%33.3%
Edition202420212021
MSRV1.85.01.65
Owners114 (team)

Quick Verdict

  • arena-b leads with a health score of 55/100, but none of the options score above 80.
  • rarena-allocator has the most downloads (84.5K), suggesting wider adoption.
  • ⚠ rarena-allocator has not been updated in over a year.
  • rarena-allocator, concurrent-slotmap are pre-1.0 — API may change.