Decision Workspace
promisery vs promises vs bounded_join_set
Side-by-side comparison of Rust crates
57
promisery
growingv2.0.1
A JavaScript-inspired, ergonomic, and composable Promise type for Rust, supporting background work, chaining, and error handling with Result.
34
promises
growingv0.2.0
Effective, simple, lightweight Javascript promises in Rust
51
bounded_join_set
growingv0.3.0
A Concurrency-Limited JoinSet for Tokio.
Core Metrics
| promisery | promises | bounded_join_set | |
|---|---|---|---|
| Health Score | 57 | 34 | 51 |
| Total Downloads | 2.1K | 4.5K | 24.7K |
| 30d Downloads | 25 | 5 | 2.7K |
| Dependents | 1 | 0 | 8 |
| Releases | 5 | 2 | 3 |
| Last Updated | 266d ago | 3651d ago | 379d ago |
| Age | 8m | 10y | 2y 7m |
Health Breakdown
promisery
Maintenance
15
Quality
18
Community
7
Popularity
4
Documentation
13
promises
Maintenance
3
Quality
16
Community
3
Popularity
4
Documentation
8
bounded_join_set
Maintenance
6
Quality
15
Community
10
Popularity
5
Documentation
15
Technical Details
| promisery | promises | bounded_join_set | |
|---|---|---|---|
| Version | 2.0.1 | 0.2.0 | 0.3.0 |
| Stable (≥1.0) | ✓ Yes | ✗ No | ✗ No |
| License | MIT OR Apache-2.0 | MIT | MIT |
| Dependencies | 2 | 0 | 2 |
| Crate Size | 9KB | 5KB | 6KB |
| Features | 0 | 0 | 0 |
| Yanked % | 0.0% | 0.0% | 0.0% |
| Edition | 2021 | — | 2021 |
| MSRV | — | — | 1.71 |
| Owners | 1 | 1 | 2 |
Links
Quick Verdict
- •promisery leads with a health score of 57/100, but none of the options score above 80.
- •bounded_join_set has the most downloads (24.7K), suggesting wider adoption.
- •⚠ promises, bounded_join_set have not been updated in over a year.
- •promises, bounded_join_set are pre-1.0 — API may change.