Decision Workspace
mailgen vs lettre vs lalrpop-util
Side-by-side comparison of Rust crates
50
mailgen
growingv0.4.2
Mailgen generates clean, responsive HTML and Text e-mails for sending transactional mail
73
lettre
growingv0.11.22
Email client
70
lalrpop-util
growingv0.23.1
Runtime library for parsers generated by LALRPOP
Core Metrics
| mailgen | lettre | lalrpop-util | |
|---|---|---|---|
| Health Score | 50 | 73 | 70 |
| Total Downloads | 14.9K | 10.3M | 65.5M |
| 30d Downloads | 0 | 1.3M | 4.0M |
| Dependents | 0 | 4.6K | 3.6K |
| Releases | 12 | 64 | 56 |
| Last Updated | 105d ago | 11d ago | 75d ago |
| Age | 3y 6m | 10y 7m | 10y 10m |
Health Breakdown
mailgen
Maintenance
14
Quality
16
Community
5
Popularity
5
Documentation
10
lettre
Maintenance
19
Quality
14
Community
20
Popularity
8
Documentation
12
lalrpop-util
Maintenance
15
Quality
16
Community
19
Popularity
8
Documentation
12
Technical Details
| mailgen | lettre | lalrpop-util | |
|---|---|---|---|
| Version | 0.4.2 | 0.11.22 | 0.23.1 |
| Stable (≥1.0) | ✗ No | ✗ No | ✗ No |
| License | MIT | MIT | Apache-2.0 OR MIT |
| Dependencies | 5 | 46 | 1 |
| Crate Size | 48KB | 161KB | 18KB |
| Features | 2 | 26 | 4 |
| Yanked % | 0.0% | 0.0% | 3.6% |
| Edition | 2021 | 2024 | 2024 |
| MSRV | — | 1.85 | 1.86 |
| Owners | 1 | 2 (team) | 2 (team) |
Links
Quick Verdict
- •lettre leads with a health score of 73/100, but none of the options score above 80.
- •lalrpop-util has the most downloads (65.5M), suggesting wider adoption.
- •lettre is depended on by 4.6K crates — strongest ecosystem trust.