Decision Workspace
effect-rs vs futures-concurrency vs saa
Side-by-side comparison of Rust crates
39
effect-rs
experimentalv0.1.0
A high-performance, strictly-typed, functional effect system for Rust.
75
futures-concurrency
stablev7.7.1
Structured concurrency operations for async Rust
64
saa
growingv5.5.0
Word-sized low-level synchronization primitives providing both asynchronous and synchronous interfaces.
Core Metrics
| effect-rs | futures-concurrency | saa | |
|---|---|---|---|
| Health Score | 39 | 75 | 64 |
| Total Downloads | 18 | 4.5M | 789.7K |
| 30d Downloads | 3 | 527.9K | 263.4K |
| Dependents | 0 | 725 | 57 |
| Releases | 1 | 31 | 47 |
| Last Updated | 76d ago | 68d ago | 39d ago |
| Age | 2m | 4y 7m | 7m |
Health Breakdown
effect-rs
Maintenance
9
Quality
12
Community
6
Popularity
2
Documentation
10
futures-concurrency
Maintenance
15
Quality
20
Community
17
Popularity
8
Documentation
15
saa
Maintenance
17
Quality
14
Community
11
Popularity
7
Documentation
15
Technical Details
| effect-rs | futures-concurrency | saa | |
|---|---|---|---|
| Version | 0.1.0 | 7.7.1 | 5.5.0 |
| Stable (≥1.0) | ✗ No | ✓ Yes | ✓ Yes |
| License | MIT | MIT OR Apache-2.0 | Apache-2.0 |
| Dependencies | 12 | 14 | 5 |
| Crate Size | 37KB | 83KB | 42KB |
| Features | 0 | 3 | 2 |
| Yanked % | 0.0% | 0.0% | 29.8% |
| Edition | 2024 | 2021 | 2024 |
| MSRV | — | 1.81.0 | 1.85.0 |
| Owners | 1 | 3 | 1 |
Links
Quick Verdict
- •futures-concurrency leads with a health score of 75/100, but none of the options score above 80.
- •futures-concurrency is depended on by 725 crates — strongest ecosystem trust.
- •effect-rs is pre-1.0 — API may change.