Decision Workspace
mls-spec vs openmls vs mls-rs
Side-by-side comparison of Rust crates
58
mls-spec
growingv2.0.0
This crate is a repository of MLS / RFC9420-related data structures.
60
openmls
growingv0.8.1
A Rust implementation of the Messaging Layer Security (MLS) protocol, as defined in RFC 9420.
64
mls-rs
growingv0.54.0
An implementation of Messaging Layer Security (RFC 9420)
Core Metrics
| mls-spec | openmls | mls-rs | |
|---|---|---|---|
| Health Score | 58 | 60 | 64 |
| Total Downloads | 45.3K | 98.9K | 117.7K |
| 30d Downloads | 3.8K | 23.5K | 12.1K |
| Dependents | 0 | 173 | 24 |
| Releases | 13 | 25 | 41 |
| Last Updated | 15d ago | 38d ago | 4d ago |
| Age | 11m | 5y 4m | 2y 4m |
Health Breakdown
mls-spec
Maintenance
18
Quality
13
Community
6
Popularity
6
Documentation
15
openmls
Maintenance
16
Quality
11
Community
14
Popularity
6
Documentation
13
mls-rs
Maintenance
19
Quality
13
Community
14
Popularity
6
Documentation
12
Technical Details
| mls-spec | openmls | mls-rs | |
|---|---|---|---|
| Version | 2.0.0 | 0.8.1 | 0.54.0 |
| Stable (≥1.0) | ✓ Yes | ✗ No | ✗ No |
| License | MIT OR Apache-2.0 | MIT | Apache-2.0 OR MIT |
| Dependencies | 27 | 35 | 40 |
| Crate Size | 50KB | 497KB | 270KB |
| Features | 23 | 10 | 32 |
| Yanked % | 23.1% | 8.0% | 2.4% |
| Edition | 2024 | 2021 | 2021 |
| MSRV | 1.85 | — | 1.82.0 |
| Owners | 1 | 4 (team) | 3 |
Links
Quick Verdict
- •mls-rs leads with a health score of 64/100, but none of the options score above 80.
- •openmls is depended on by 173 crates — strongest ecosystem trust.
- •openmls, mls-rs are pre-1.0 — API may change.