Decision Workspace
parallel-event-emitter vs philiprehberger-event-bus vs async-event
Side-by-side comparison of Rust crates
46
parallel-event-emitter
growingv0.2.4
Parallel Event Emitter for concurrent listener invocation based on futures-rs and futures-cpupool
55
philiprehberger-event-bus
experimentalv0.2.4
Thread-safe event bus with typed listeners for Rust
50
async-event
growingv0.2.1
An efficient async condition variable for lock-free algorithms.
Core Metrics
| parallel-event-emitter | philiprehberger-event-bus | async-event | |
|---|---|---|---|
| Health Score | 46 | 55 | 50 |
| Total Downloads | 13.4K | 128 | 1.5M |
| 30d Downloads | 15 | 128 | 28.6K |
| Dependents | 0 | 0 | 208 |
| Releases | 8 | 11 | 3 |
| Last Updated | 3353d ago | today | 662d ago |
| Age | 9y 2m | 14d | 2y 8m |
Health Breakdown
parallel-event-emitter
Maintenance
9
Quality
16
Community
5
Popularity
5
Documentation
11
philiprehberger-event-bus
Maintenance
16
Quality
15
Community
6
Popularity
3
Documentation
15
async-event
Maintenance
5
Quality
14
Community
12
Popularity
7
Documentation
12
Technical Details
| parallel-event-emitter | philiprehberger-event-bus | async-event | |
|---|---|---|---|
| Version | 0.2.4 | 0.2.4 | 0.2.1 |
| Stable (≥1.0) | ✗ No | ✗ No | ✗ No |
| License | MIT | MIT | MIT OR Apache-2.0 |
| Dependencies | 5 | 0 | 5 |
| Crate Size | 7KB | 8KB | 26KB |
| Features | 3 | 0 | 0 |
| Yanked % | 0.0% | 0.0% | 0.0% |
| Edition | — | 2021 | 2021 |
| MSRV | — | 1.70 | 1.64 |
| Owners | 1 | 1 | 1 |
Links
Quick Verdict
- •philiprehberger-event-bus leads with a health score of 55/100, but none of the options score above 80.
- •async-event has the most downloads (1.5M), suggesting wider adoption.
- •async-event is depended on by 208 crates — strongest ecosystem trust.
- •⚠ parallel-event-emitter, async-event have not been updated in over a year.