Decision Workspace
xkv vs tower-rate-limit-fred vs smtp_srv
Side-by-side comparison of Rust crates
61
xkv
growingv0.1.59
Static global Redis client manager for Fred and Kvrocks / 全局静态 Redis 客户端管理器，基于 Fred 与 Kvrocks 构建
50
tower-rate-limit-fred
growingv2.1.1
A Redis-backed rate-limiting middleware for Tower using Fred
46
smtp_srv
experimentalv0.2.35
Auto-refreshing SMTPS server powered by Redis / Kvrocks / 基于 Redis / Kvrocks 自动热更新证书的 SMTPS 服务器
Core Metrics
| xkv | tower-rate-limit-fred | smtp_srv | |
|---|---|---|---|
| Health Score | 61 | 50 | 46 |
| Total Downloads | 42.5K | 1.8K | 802 |
| 30d Downloads | 0 | 0 | 0 |
| Dependents | 91 | 0 | 0 |
| Releases | 46 | 5 | 34 |
| Last Updated | 25d ago | 113d ago | 26d ago |
| Age | 3y | 9m | 7m |
Health Breakdown
xkv
Maintenance
17
Quality
15
Community
15
Popularity
6
Documentation
8
tower-rate-limit-fred
Maintenance
12
Quality
17
Community
5
Popularity
4
Documentation
12
smtp_srv
Maintenance
17
Quality
12
Community
6
Popularity
3
Documentation
8
Technical Details
| xkv | tower-rate-limit-fred | smtp_srv | |
|---|---|---|---|
| Version | 0.1.59 | 2.1.1 | 0.2.35 |
| Stable (≥1.0) | ✗ No | ✓ Yes | ✗ No |
| License | MulanPSL-2.0 | MPL-2.0 | MulanPSL-2.0 |
| Dependencies | 8 | 15 | 28 |
| Crate Size | 19KB | 19KB | 59KB |
| Features | 2 | 1 | 2 |
| Yanked % | 0.0% | 0.0% | 0.0% |
| Edition | 2024 | 2024 | 2024 |
| MSRV | — | 1.85 | — |
| Owners | 3 | 1 | 1 |
Links
Quick Verdict
- •xkv leads with a health score of 61/100, but none of the options score above 80.
- •xkv, smtp_srv are pre-1.0 — API may change.