Decision Workspace
heapless vs noalloc-vec-rs vs noalloc-slip-rs
Side-by-side comparison of Rust crates
72
heapless
growingv0.9.3
`static` friendly data structures that don't require dynamic memory allocation
55
noalloc-vec-rs
experimentalv0.2.1
A no-allocation vector implementation for environment without memory allocation.
52
noalloc-slip-rs
experimentalv0.2.1
A no-std SLIP (Serial Line Internet Protocol) encoder and decoder implementation.
Core Metrics
| heapless | noalloc-vec-rs | noalloc-slip-rs | |
|---|---|---|---|
| Health Score | 72 | 55 | 52 |
| Total Downloads | 85.2M | 1.0K | 699 |
| 30d Downloads | 10.8M | 0 | 0 |
| Dependents | 6.7K | 5 | 0 |
| Releases | 56 | 5 | 5 |
| Last Updated | 25d ago | 39d ago | 39d ago |
| Age | 9y 1m | 9m | 9m |
Health Breakdown
heapless
Maintenance
17
Quality
13
Community
19
Popularity
8
Documentation
15
noalloc-vec-rs
Maintenance
19
Quality
14
Community
6
Popularity
4
Documentation
12
noalloc-slip-rs
Maintenance
19
Quality
14
Community
4
Popularity
3
Documentation
12
Technical Details
| heapless | noalloc-vec-rs | noalloc-slip-rs | |
|---|---|---|---|
| Version | 0.9.3 | 0.2.1 | 0.2.1 |
| Stable (≥1.0) | ✗ No | ✗ No | ✗ No |
| License | MIT OR Apache-2.0 | Apache-2.0 | Apache-2.0 |
| Dependencies | 12 | 1 | 1 |
| Crate Size | 133KB | 18KB | 9KB |
| Features | 12 | 0 | 0 |
| Yanked % | 5.4% | 0.0% | 0.0% |
| Edition | 2021 | 2024 | 2024 |
| MSRV | 1.87 | 1.95 | 1.95 |
| Owners | 4 (team) | 1 | 1 |
Links
Quick Verdict
- •heapless leads with a health score of 72/100, but none of the options score above 80.
- •heapless is depended on by 6.7K crates — strongest ecosystem trust.