Decision Workspace
mtb-entity-slab vs arena-lib vs bitena
Side-by-side comparison of Rust crates
54
mtb-entity-slab
experimentalv0.2.4
Slab-style entity storage: stable IDs, internal mutability; not a full ECS.
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.
47
bitena
experimentalv0.1.2
Simple lock-free Thread-safe Bump Arena for extemely fast memory allocations
Core Metrics
| mtb-entity-slab | arena-lib | bitena | |
|---|---|---|---|
| Health Score | 54 | 60 | 47 |
| Total Downloads | 168 | 65 | 45 |
| 30d Downloads | 0 | 0 | 0 |
| Dependents | 0 | 0 | 0 |
| Releases | 6 | 5 | 3 |
| Last Updated | 65d ago | 4d ago | 28d ago |
| Age | 6m | 4d | 2m |
Health Breakdown
mtb-entity-slab
Maintenance
16
Quality
16
Community
6
Popularity
3
Documentation
13
arena-lib
Maintenance
19
Quality
18
Community
6
Popularity
2
Documentation
15
bitena
Maintenance
12
Quality
14
Community
6
Popularity
2
Documentation
13
Technical Details
| mtb-entity-slab | arena-lib | bitena | |
|---|---|---|---|
| Version | 0.2.4 | 1.0.0 | 0.1.2 |
| Stable (≥1.0) | ✗ No | ✓ Yes | ✗ No |
| License | MIT | Apache-2.0 OR MIT | MIT |
| Dependencies | 3 | 3 | 1 |
| Crate Size | 46KB | 67KB | 11KB |
| Features | 3 | 2 | 0 |
| Yanked % | 0.0% | 0.0% | 0.0% |
| Edition | 2024 | 2024 | 2024 |
| 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.
- •mtb-entity-slab has the most downloads (168), suggesting wider adoption.
- •mtb-entity-slab, bitena are pre-1.0 — API may change.