Decision Workspace
async-coap vs coapum vs coap-server
Side-by-side comparison of Rust crates
38
async-coap
growingv0.1.0
A flexible, asynchronous library for using and serving CoAP resources. Experimental.
40
coapum
experimentalv0.2.0
A modern, ergonomic CoAP (Constrained Application Protocol) library for Rust with support for DTLS, observers, and asynchronous handlers
35
coap-server
growingv0.1.1
Robust async CoAP server
Core Metrics
| async-coap | coapum | coap-server | |
|---|---|---|---|
| Health Score | 38 | 40 | 35 |
| Total Downloads | 4.2K | 427 | 3.8K |
| 30d Downloads | 37 | 4 | 22 |
| Dependents | 1 | 0 | 0 |
| Releases | 1 | 1 | 2 |
| Last Updated | 2410d ago | 220d ago | 1424d ago |
| Age | 6y 7m | 7m | 3y 11m |
Health Breakdown
async-coap
Maintenance
1
Quality
15
Community
6
Popularity
4
Documentation
12
coapum
Maintenance
4
Quality
12
Community
6
Popularity
3
Documentation
15
coap-server
Maintenance
4
Quality
12
Community
5
Popularity
4
Documentation
10
Technical Details
| async-coap | coapum | coap-server | |
|---|---|---|---|
| Version | 0.1.0 | 0.2.0 | 0.1.1 |
| Stable (≥1.0) | ✗ No | ✗ No | ✗ No |
| License | Apache-2.0 | MIT OR Apache-2.0 | MIT |
| Dependencies | 8 | 17 | 17 |
| Crate Size | 79KB | 119KB | 38KB |
| Features | 3 | 2 | 0 |
| Yanked % | 0.0% | 0.0% | 0.0% |
| Edition | 2018 | 2024 | 2021 |
| MSRV | — | 1.85.0 | — |
| Owners | 1 | 1 | 1 |
Links
Quick Verdict
- •coapum leads with a health score of 40/100, but none of the options score above 80.
- •async-coap has the most downloads (4.2K), suggesting wider adoption.
- •⚠ async-coap, coap-server have not been updated in over a year.