Decision Workspace
cobs-simd vs postcard vs postcard-rpc
Side-by-side comparison of Rust crates
36
cobs-simd
growingv0.2.1
COBS encoding library using SIMD instructions
66
postcard
growingv1.1.3
A no_std + serde compatible message library for Rust
55
postcard-rpc
growingv0.12.1
A no_std + serde compatible RPC library for Rust
Core Metrics
| cobs-simd | postcard | postcard-rpc | |
|---|---|---|---|
| Health Score | 36 | 66 | 55 |
| Total Downloads | 3.9K | 26.0M | 149.7K |
| 30d Downloads | 5 | 3.3M | 11.3K |
| Dependents | 0 | 7.2K | 48 |
| Releases | 3 | 40 | 43 |
| Last Updated | 866d ago | 246d ago | 113d ago |
| Age | 2y 4m | 6y 12m | 2y 4m |
Health Breakdown
cobs-simd
Maintenance
5
Quality
13
Community
4
Popularity
4
Documentation
10
postcard
Maintenance
9
Quality
21
Community
15
Popularity
8
Documentation
13
postcard-rpc
Maintenance
13
Quality
12
Community
11
Popularity
6
Documentation
13
Technical Details
| cobs-simd | postcard | postcard-rpc | |
|---|---|---|---|
| Version | 0.2.1 | 1.1.3 | 0.12.1 |
| Stable (≥1.0) | ✗ No | ✓ Yes | ✗ No |
| License | MIT OR JSON | MIT OR Apache-2.0 | MIT OR Apache-2.0 |
| Dependencies | 10 | 9 | 31 |
| Crate Size | 7KB | 44KB | 86KB |
| Features | 0 | 17 | 11 |
| Yanked % | 0.0% | 2.5% | 9.3% |
| Edition | 2021 | 2021 | 2021 |
| MSRV | — | — | — |
| Owners | 1 | 1 | 1 |
Links
Quick Verdict
- •postcard leads with a health score of 66/100, but none of the options score above 80.
- •postcard is depended on by 7.2K crates — strongest ecosystem trust.
- •⚠ cobs-simd has not been updated in over a year.
- •cobs-simd, postcard-rpc are pre-1.0 — API may change.