Decision Workspace
mailrs-imap-format vs imap-codec vs imap-proto
Side-by-side comparison of Rust crates
49
mailrs-imap-format
experimentalv1.0.0
IMAP wire-format helpers (RFC 9051): FLAGS / INTERNALDATE / quoted string / address structures / BODY[…] section extraction / BODYSTRUCTURE assembly. Pairs with mailrs-imap-proto (parsing + state machine) and mailrs-imap-codec (line + literal framing). 22 standalone pure functions, no I/O.
64
imap-codec
stablev1.0.0
Rock-solid and complete codec for IMAP
62
imap-proto
growingv0.16.7
IMAP protocol parser and data structures
Core Metrics
| mailrs-imap-format | imap-codec | imap-proto | |
|---|---|---|---|
| Health Score | 49 | 64 | 62 |
| Total Downloads | 594 | 83.0K | 2.0M |
| 30d Downloads | 0 | 3.8K | 153.6K |
| Dependents | 0 | 35 | 256 |
| Releases | 1 | 21 | 34 |
| Last Updated | 51d ago | 40d ago | 83d ago |
| Age | 1m | 5y 4m | 8y 8m |
Health Breakdown
mailrs-imap-format
Maintenance
10
Quality
17
Community
6
Popularity
3
Documentation
13
imap-codec
Maintenance
16
Quality
22
Community
10
Popularity
6
Documentation
10
imap-proto
Maintenance
13
Quality
14
Community
12
Popularity
8
Documentation
15
Technical Details
| mailrs-imap-format | imap-codec | imap-proto | |
|---|---|---|---|
| Version | 1.0.0 | 1.0.0 | 0.16.7 |
| Stable (≥1.0) | ✓ Yes | ✓ Yes | ✗ No |
| License | Apache-2.0 OR MIT | MIT OR Apache-2.0 | MIT OR Apache-2.0 |
| Dependencies | 1 | 11 | 2 |
| Crate Size | 17KB | 69KB | 36KB |
| Features | 0 | 11 | 0 |
| Yanked % | 0.0% | 0.0% | 2.9% |
| Edition | 2024 | 2021 | 2021 |
| MSRV | — | — | 1.61 |
| Owners | 1 | 1 | 1 |
Links
Quick Verdict
- •imap-codec leads with a health score of 64/100, but none of the options score above 80.
- •imap-proto has the most downloads (2.0M), suggesting wider adoption.
- •imap-proto is depended on by 256 crates — strongest ecosystem trust.
- •imap-proto is pre-1.0 — API may change.