Decision Workspace
fx-rs vs stillwater vs monad_macros
Side-by-side comparison of Rust crates
34
fx-rs
experimentalv0.1.1-dev0
Algebraic Effects inspired by Kyo and Fx.go
57
stillwater
experimentalv1.0.0
Pragmatic effect composition and validation for Rust - pure core, imperative shell
40
monad_macros
growingv0.0.1
Stackless monads in Rust
Core Metrics
| fx-rs | stillwater | monad_macros | |
|---|---|---|---|
| Health Score | 34 | 57 | 40 |
| Total Downloads | 1.8K | 3.2K | 6.6K |
| 30d Downloads | 6 | 671 | 5 |
| Dependents | 0 | 46 | 3 |
| Releases | 4 | 16 | 2 |
| Last Updated | 287d ago | 96d ago | 3759d ago |
| Age | 10m | 4m | 11y 4m |
Health Breakdown
fx-rs
Maintenance
8
Quality
9
Community
3
Popularity
4
Documentation
10
stillwater
Maintenance
14
Quality
16
Community
11
Popularity
4
Documentation
12
monad_macros
Maintenance
3
Quality
16
Community
5
Popularity
5
Documentation
11
Technical Details
| fx-rs | stillwater | monad_macros | |
|---|---|---|---|
| Version | 0.1.1-dev0 | 1.0.0 | 0.0.1 |
| Stable (≥1.0) | ✗ No | ✓ Yes | ✗ No |
| License | Apache-2.0 | MIT | MIT |
| Dependencies | 1 | 13 | 0 |
| Crate Size | 29KB | 603KB | 629B |
| Features | 0 | 7 | 0 |
| Yanked % | 25.0% | 0.0% | 0.0% |
| Edition | 2024 | 2021 | — |
| MSRV | — | 1.89 | — |
| Owners | 1 | 1 | 1 |
Links
Quick Verdict
- •stillwater leads with a health score of 57/100, but none of the options score above 80.
- •monad_macros has the most downloads (6.6K), suggesting wider adoption.
- •⚠ monad_macros has not been updated in over a year.
- •fx-rs, monad_macros are pre-1.0 — API may change.