Decision Workspace
varta-watch vs prometheus-client vs zerodds-monitor
Side-by-side comparison of Rust crates
51
varta-watch
experimentalv0.2.0
Varta observer — receives VLP frames and surfaces stalls.
67
prometheus-client
growingv0.25.0
Open Metrics client library allowing users to natively instrument applications.
63
zerodds-monitor
experimentalv1.0.0-rc.5
Observability substrate for ZeroDDS (zerodds-monitor-1.1): metric registry (Counter/Gauge/Histogram) + Prometheus text exporter + W3C trace-context PID + standard span schema.
Core Metrics
| varta-watch | prometheus-client | zerodds-monitor | |
|---|---|---|---|
| Health Score | 51 | 67 | 63 |
| Total Downloads | 37 | 35.7M | 1.2K |
| 30d Downloads | 0 | 1.5M | 0 |
| Dependents | 0 | 3.5K | 79 |
| Releases | 2 | 23 | 5 |
| Last Updated | 58d ago | 28d ago | 5d ago |
| Age | 2m | 4y 6m | 2m |
Health Breakdown
varta-watch
Maintenance
11
Quality
17
Community
6
Popularity
2
Documentation
15
prometheus-client
Maintenance
17
Quality
15
Community
14
Popularity
8
Documentation
13
zerodds-monitor
Maintenance
14
Quality
19
Community
11
Popularity
4
Documentation
15
Technical Details
| varta-watch | prometheus-client | zerodds-monitor | |
|---|---|---|---|
| Version | 0.2.0 | 0.25.0 | 1.0.0-rc.5 |
| Stable (≥1.0) | ✗ No | ✗ No | ✓ Yes |
| License | MIT OR Apache-2.0 | Apache-2.0 OR MIT | Apache-2.0 |
| Dependencies | 1 | 22 | 1 |
| Crate Size | 277KB | 98KB | 20KB |
| Features | 12 | 6 | 4 |
| Yanked % | 0.0% | 0.0% | 0.0% |
| Edition | 2021 | 2021 | 2024 |
| MSRV | 1.70.0 | — | 1.88 |
| Owners | 1 | 2 | 1 |
Links
Quick Verdict
- •prometheus-client leads with a health score of 67/100, but none of the options score above 80.
- •prometheus-client is depended on by 3.5K crates — strongest ecosystem trust.
- •varta-watch, prometheus-client are pre-1.0 — API may change.