Decision Workspace
xkv vs tower-rate-limit-fred vs smtp_srv
Side-by-side comparison of Rust crates
55
xkv
growingv0.1.51
use global static vars connect redis with fred or kvrocks / 使用全局静态变量通过 fred 连接 redis 或 kvrocks
55
tower-rate-limit-fred
growingv2.1.1
A Redis-backed rate-limiting middleware for Tower using Fred
48
smtp_srv
experimentalv0.2.28
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 | 55 | 55 | 48 |
| Total Downloads | 41.2K | 645 | 670 |
| 30d Downloads | 356 | 87 | 60 |
| Dependents | 85 | 0 | 0 |
| Releases | 40 | 5 | 30 |
| Last Updated | 126d ago | 5d ago | 11d ago |
| Age | 2y 9m | 6m | 4m |
Health Breakdown
xkv
Maintenance
13
Quality
16
Community
12
Popularity
6
Documentation
8
tower-rate-limit-fred
Maintenance
18
Quality
17
Community
5
Popularity
3
Documentation
12
smtp_srv
Maintenance
18
Quality
13
Community
6
Popularity
3
Documentation
8
Technical Details
| xkv | tower-rate-limit-fred | smtp_srv | |
|---|---|---|---|
| Version | 0.1.51 | 2.1.1 | 0.2.28 |
| Stable (≥1.0) | ✗ No | ✓ Yes | ✗ No |
| License | MulanPSL-2.0 | MPL-2.0 | MulanPSL-2.0 |
| Dependencies | 6 | 15 | 21 |
| Crate Size | 15KB | 19KB | 40KB |
| 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 55/100, but none of the options score above 80.
- •xkv, smtp_srv are pre-1.0 — API may change.