Decision Workspace
genarena vs arena-lib vs ordex
Side-by-side comparison of Rust crates
44
genarena
experimentalv0.1.2
A slot-reservable arena with generational keys
60
arena-lib
experimentalv1.0.0
Typed memory arena and slab allocator library. Generational indices, typed arenas (one allocation per type), interned strings, and bump allocation. Zero unsafe leakage into user code.
42
ordex
experimentalv0.1.0
A strict generational arena with static/dynamic multi-mutable access, optimized for zero-allocation safety validation and cache-friendly layout.
Core Metrics
| genarena | arena-lib | ordex | |
|---|---|---|---|
| Health Score | 44 | 60 | 42 |
| Total Downloads | 47 | 65 | 43 |
| 30d Downloads | 0 | 0 | 0 |
| Dependents | 0 | 0 | 2 |
| Releases | 3 | 5 | 1 |
| Last Updated | 41d ago | 4d ago | 86d ago |
| Age | 1m | 4d | 2m |
Health Breakdown
genarena
Maintenance
11
Quality
15
Community
6
Popularity
2
Documentation
10
arena-lib
Maintenance
19
Quality
18
Community
6
Popularity
2
Documentation
15
ordex
Maintenance
8
Quality
15
Community
7
Popularity
2
Documentation
10
Technical Details
| genarena | arena-lib | ordex | |
|---|---|---|---|
| Version | 0.1.2 | 1.0.0 | 0.1.0 |
| Stable (≥1.0) | ✗ No | ✓ Yes | ✗ No |
| License | MIT | Apache-2.0 OR MIT | MIT OR Apache-2.0 |
| Dependencies | 0 | 3 | 4 |
| Crate Size | 7KB | 67KB | 26KB |
| Features | 0 | 2 | 2 |
| Yanked % | 0.0% | 0.0% | 0.0% |
| Edition | 2024 | 2024 | 2021 |
| MSRV | — | 1.85 | — |
| Owners | 1 | 1 | 1 |
Links
Quick Verdict
- •arena-lib leads with a health score of 60/100, but none of the options score above 80.
- •genarena, ordex are pre-1.0 — API may change.