Decision Workspace
smime-tree vs pdfluent-sign vs ceal
Side-by-side comparison of Rust crates
36
smime-tree
experimentalv0.3.1
S/MIME sign/verify/encrypt/decrypt via key traits
54
pdfluent-sign
experimentalv1.0.0-beta.7
PDF digital signature validation — PAdES, CMS, certificate chain, DocMDP/FieldMDP, LTV.
42
ceal
experimentalv0.1.0
Opportunistic E-Mail Encryption - Stand-Alone Library and Extensions for Lettre
Core Metrics
| smime-tree | pdfluent-sign | ceal | |
|---|---|---|---|
| Health Score | 36 | 54 | 42 |
| Total Downloads | 50 | 94 | 230 |
| 30d Downloads | 0 | 0 | 0 |
| Dependents | 0 | 3 | 0 |
| Releases | 4 | 5 | 1 |
| Last Updated | 15d ago | 12d ago | 47d ago |
| Age | 23d | 23d | 1m |
Health Breakdown
smime-tree
Maintenance
12
Quality
4
Community
6
Popularity
2
Documentation
12
pdfluent-sign
Maintenance
13
Quality
15
Community
13
Popularity
2
Documentation
11
ceal
Maintenance
10
Quality
15
Community
6
Popularity
3
Documentation
8
Technical Details
| smime-tree | pdfluent-sign | ceal | |
|---|---|---|---|
| Version | 0.3.1 | 1.0.0-beta.7 | 0.1.0 |
| Stable (≥1.0) | ✗ No | ✓ Yes | ✗ No |
| License | MIT OR Apache-2.0 | non-standard | EPL-2.0 |
| Dependencies | 26 | 18 | 14 |
| Crate Size | 74KB | 71KB | 63KB |
| Features | 0 | 2 | 6 |
| Yanked % | 75.0% | 0.0% | 0.0% |
| Edition | 2021 | 2021 | 2021 |
| MSRV | 1.85 | — | — |
| Owners | 1 | 2 (team) | 1 |
Links
Quick Verdict
- •pdfluent-sign leads with a health score of 54/100, but none of the options score above 80.
- •ceal has the most downloads (230), suggesting wider adoption.
- •smime-tree, ceal are pre-1.0 — API may change.