Decision Workspace
langmail vs mml-lib vs mail-parser
Side-by-side comparison of Rust crates
43
langmail
experimentalv0.7.0
Email preprocessing for LLMs
62
mml-lib
stablev1.1.2
Rust implementation of the Emacs MIME message Meta Language (MML)
61
mail-parser
growingv0.11.2
Fast and robust e-mail parsing library for Rust
Core Metrics
| langmail | mml-lib | mail-parser | |
|---|---|---|---|
| Health Score | 43 | 62 | 61 |
| Total Downloads | 40 | 59.8K | 1.3M |
| 30d Downloads | 40 | 6.8K | 194.5K |
| Dependents | 0 | 59 | 833 |
| Releases | 3 | 31 | 33 |
| Last Updated | 15d ago | 36d ago | 41d ago |
| Age | 21d | 2y 7m | 4y 4m |
Health Breakdown
langmail
Maintenance
13
Quality
12
Community
6
Popularity
2
Documentation
10
mml-lib
Maintenance
17
Quality
15
Community
11
Popularity
6
Documentation
13
mail-parser
Maintenance
17
Quality
13
Community
14
Popularity
7
Documentation
10
Technical Details
| langmail | mml-lib | mail-parser | |
|---|---|---|---|
| Version | 0.7.0 | 1.1.2 | 0.11.2 |
| Stable (≥1.0) | ✗ No | ✓ Yes | ✗ No |
| License | MIT OR Apache-2.0 | MIT | Apache-2.0 OR MIT |
| Dependencies | 8 | 18 | 8 |
| Crate Size | 67KB | 67KB | 551KB |
| Features | 0 | 15 | 4 |
| Yanked % | 0.0% | 41.9% | 0.0% |
| Edition | 2021 | 2021 | 2021 |
| MSRV | — | — | — |
| Owners | 1 | 1 | 1 |
Links
Quick Verdict
- •mml-lib leads with a health score of 62/100, but none of the options score above 80.
- •mail-parser has the most downloads (1.3M), suggesting wider adoption.
- •mail-parser is depended on by 833 crates — strongest ecosystem trust.
- •langmail, mail-parser are pre-1.0 — API may change.