Decision Workspace
smtp-proto vs mailrs-smtp-proto vs mavlink
Side-by-side comparison of Rust crates
59
smtp-proto
growingv0.2.1
SMTP protocol parser
56
mailrs-smtp-proto
experimentalv1.0.4
SMTP protocol parser, formatter, and session state machine (RFC 5321) — zero I/O, async-runtime-agnostic.
66
mavlink
growingv0.18.0
Implements the MAVLink data interchange format for UAVs.
Core Metrics
| smtp-proto | mailrs-smtp-proto | mavlink | |
|---|---|---|---|
| Health Score | 59 | 56 | 66 |
| Total Downloads | 412.8K | 80 | 279.8K |
| 30d Downloads | 24.8K | 0 | 31.6K |
| Dependents | 42 | 0 | 60 |
| Releases | 10 | 5 | 46 |
| Last Updated | 80d ago | 4d ago | 17d ago |
| Age | 3y 3m | 6d | 10y 3m |
Health Breakdown
smtp-proto
Maintenance
15
Quality
17
Community
10
Popularity
7
Documentation
10
mailrs-smtp-proto
Maintenance
19
Quality
16
Community
6
Popularity
2
Documentation
13
mavlink
Maintenance
17
Quality
15
Community
15
Popularity
7
Documentation
12
Technical Details
| smtp-proto | mailrs-smtp-proto | mavlink | |
|---|---|---|---|
| Version | 0.2.1 | 1.0.4 | 0.18.0 |
| Stable (≥1.0) | ✗ No | ✓ Yes | ✗ No |
| License | Apache-2.0 OR MIT | Apache-2.0 OR MIT | MIT/Apache-2.0 |
| Dependencies | 2 | 2 | 13 |
| Crate Size | 38KB | 39KB | 320KB |
| Features | 3 | 0 | 34 |
| Yanked % | 0.0% | 0.0% | 4.3% |
| Edition | 2024 | 2024 | 2024 |
| MSRV | — | — | 1.85.0 |
| Owners | 1 | 1 | 5 |
Links
Quick Verdict
- •mavlink leads with a health score of 66/100, but none of the options score above 80.
- •smtp-proto has the most downloads (412.8K), suggesting wider adoption.
- •smtp-proto, mavlink are pre-1.0 — API may change.