Decision Workspace
mailrs-acme vs acmex vs acme-rfc8555
Side-by-side comparison of Rust crates
51
mailrs-acme
experimentalv1.0.1
High-level ACME (RFC 8555 / Let's Encrypt) orchestration: account load-or-create, HTTP-01 cert provisioning, expiry monitoring, periodic renewal task. Pairs with mailrs-tls-reload for atomic certificate swap without dropping in-flight connections. Optional axum-based HTTP-01 challenge server.
50
acmex
growingv0.8.0
AcmeX: High-performance, extensible ACME v2 (RFC 8555) client and server in Rust, supporting multiple DNS providers, storage backends, and crypto libraries.
48
acme-rfc8555
growingv0.3.0
Provision certificates from ACME providers
Core Metrics
| mailrs-acme | acmex | acme-rfc8555 | |
|---|---|---|---|
| Health Score | 51 | 50 | 48 |
| Total Downloads | 35 | 771 | 16.0K |
| 30d Downloads | 0 | 0 | 0 |
| Dependents | 0 | 0 | 0 |
| Releases | 2 | 3 | 7 |
| Last Updated | 3d ago | 106d ago | 80d ago |
| Age | 3d | 1y | 2y 8m |
Health Breakdown
mailrs-acme
Maintenance
14
Quality
16
Community
6
Popularity
2
Documentation
13
acmex
Maintenance
12
Quality
14
Community
6
Popularity
3
Documentation
15
acme-rfc8555
Maintenance
13
Quality
12
Community
6
Popularity
5
Documentation
12
Technical Details
| mailrs-acme | acmex | acme-rfc8555 | |
|---|---|---|---|
| Version | 1.0.1 | 0.8.0 | 0.3.0 |
| Stable (≥1.0) | ✓ Yes | ✗ No | ✗ No |
| License | Apache-2.0 OR MIT | MIT OR Apache-2.0 | MIT |
| Dependencies | 12 | 39 | 31 |
| Crate Size | 28KB | 305KB | 55KB |
| Features | 2 | 19 | 1 |
| Yanked % | 0.0% | 0.0% | 0.0% |
| Edition | 2024 | 2024 | 2021 |
| MSRV | — | 1.92.0 | 1.85 |
| Owners | 1 | 1 | 1 |
Links
Quick Verdict
- •mailrs-acme leads with a health score of 51/100, but none of the options score above 80.
- •acme-rfc8555 has the most downloads (16.0K), suggesting wider adoption.
- •acmex, acme-rfc8555 are pre-1.0 — API may change.