Decision Workspace
coap vs coap-numbers vs rumqttc-next
Side-by-side comparison of Rust crates
55
coap
growingv0.26.0
A CoAP library
63
coap-numbers
growingv0.2.9
Constants for the CoAP protocol
60
rumqttc-next
experimentalv0.33.2
MQTT 5 facade crate that re-exports rumqttc-v5-next
Core Metrics
| coap | coap-numbers | rumqttc-next | |
|---|---|---|---|
| Health Score | 55 | 63 | 60 |
| Total Downloads | 511.0K | 235.7K | 15.4K |
| 30d Downloads | 20.5K | 7.4K | 9.5K |
| Dependents | 9 | 171 | 0 |
| Releases | 52 | 13 | 12 |
| Last Updated | 16d ago | 32d ago | 2d ago |
| Age | 10y 10m | 5y 9m | 3m |
Health Breakdown
coap
Maintenance
17
Quality
13
Community
5
Popularity
7
Documentation
13
coap-numbers
Maintenance
15
Quality
18
Community
10
Popularity
6
Documentation
14
rumqttc-next
Maintenance
20
Quality
18
Community
5
Popularity
5
Documentation
12
Technical Details
| coap | coap-numbers | rumqttc-next | |
|---|---|---|---|
| Version | 0.26.0 | 0.2.9 | 0.33.2 |
| Stable (≥1.0) | ✗ No | ✗ No | ✗ No |
| License | MIT | MIT OR Apache-2.0 | Apache-2.0 |
| Dependencies | 25 | 0 | 1 |
| Crate Size | 81KB | 17KB | 13KB |
| Features | 3 | 2 | 10 |
| Yanked % | 1.9% | 0.0% | 0.0% |
| Edition | 2021 | 2018 | 2024 |
| MSRV | — | 1.51 | 1.89 |
| Owners | 1 | 1 | 1 |
Links
Quick Verdict
- •coap-numbers leads with a health score of 63/100, but none of the options score above 80.
- •coap has the most downloads (511.0K), suggesting wider adoption.
- •coap-numbers is depended on by 171 crates — strongest ecosystem trust.