Decision Workspace
rateflow vs armature-ratelimit vs mailrs-rate-limit
Side-by-side comparison of Rust crates
40
rateflow
experimentalv0.1.0
A declarative, flexible, and high-performance rate limiting library for Rust
53
armature-ratelimit
experimentalv0.1.3
Rate limiting middleware for Armature framework with multiple algorithms and storage backends
55
mailrs-rate-limit
experimentalv1.0.3
Token-bucket rate limiting trait + in-memory reference impl. &str keys (IP / user / api-key / endpoint), unix-seconds time. Async, transport-agnostic, no protocol coupling. Standalone — bring your own storage backend.
Core Metrics
| rateflow | armature-ratelimit | mailrs-rate-limit | |
|---|---|---|---|
| Health Score | 40 | 53 | 55 |
| Total Downloads | 18 | 442 | 65 |
| 30d Downloads | 0 | 0 | 0 |
| Dependents | 0 | 3 | 0 |
| Releases | 1 | 4 | 4 |
| Last Updated | 141d ago | 17d ago | 3d ago |
| Age | 4m | 5m | 4d |
Health Breakdown
rateflow
Maintenance
6
Quality
13
Community
6
Popularity
2
Documentation
13
armature-ratelimit
Maintenance
17
Quality
13
Community
8
Popularity
3
Documentation
12
mailrs-rate-limit
Maintenance
19
Quality
15
Community
6
Popularity
2
Documentation
13
Technical Details
| rateflow | armature-ratelimit | mailrs-rate-limit | |
|---|---|---|---|
| Version | 0.1.0 | 0.1.3 | 1.0.3 |
| Stable (≥1.0) | ✗ No | ✗ No | ✓ Yes |
| License | MIT | Apache-2.0 | Apache-2.0 OR MIT |
| Dependencies | 4 | 16 | 6 |
| Crate Size | 20KB | 39KB | 33KB |
| Features | 0 | 3 | 0 |
| Yanked % | 0.0% | 0.0% | 0.0% |
| Edition | 2021 | 2024 | 2024 |
| MSRV | — | 1.89 | — |
| Owners | 1 | 1 | 1 |
Links
Quick Verdict
- •mailrs-rate-limit leads with a health score of 55/100, but none of the options score above 80.
- •armature-ratelimit has the most downloads (442), suggesting wider adoption.
- •rateflow, armature-ratelimit are pre-1.0 — API may change.