Decision Workspace
backstage-client vs cynic vs async-nats
Side-by-side comparison of Rust crates
57
backstage-client
experimentalv0.1.4
A Rust client library for interacting with the Backstage Catalog API. Provides type-safe access to Backstage entities with async support, filtering, and comprehensive error handling.
73
cynic
stablev3.14.0
A code first GraphQL client for Rust
70
async-nats
growingv0.49.1
A async Rust NATS client
Core Metrics
| backstage-client | cynic | async-nats | |
|---|---|---|---|
| Health Score | 57 | 73 | 70 |
| Total Downloads | 1.3K | 4.2M | 43.3M |
| 30d Downloads | 0 | 133.8K | 963.2K |
| Dependents | 0 | 980 | 4.4K |
| Releases | 5 | 77 | 70 |
| Last Updated | 4d ago | 1d ago | 39d ago |
| Age | 10m | 6y 5m | 6y |
Health Breakdown
backstage-client
Maintenance
18
Quality
14
Community
6
Popularity
4
Documentation
15
cynic
Maintenance
19
Quality
20
Community
11
Popularity
8
Documentation
15
async-nats
Maintenance
17
Quality
13
Community
17
Popularity
8
Documentation
15
Technical Details
| backstage-client | cynic | async-nats | |
|---|---|---|---|
| Version | 0.1.4 | 3.14.0 | 0.49.1 |
| Stable (≥1.0) | ✗ No | ✓ Yes | ✗ No |
| License | MIT | MPL-2.0 | Apache-2.0 |
| Dependencies | 9 | 17 | 39 |
| Crate Size | 30KB | 64KB | 372KB |
| Features | 2 | 7 | 19 |
| Yanked % | 0.0% | 0.0% | 1.4% |
| Edition | 2021 | 2024 | 2021 |
| MSRV | 1.96 | 1.85 | 1.88.0 |
| Owners | 1 | 1 | 2 |
Links
Quick Verdict
- •cynic leads with a health score of 73/100, but none of the options score above 80.
- •async-nats has the most downloads (43.3M), suggesting wider adoption.
- •async-nats is depended on by 4.4K crates — strongest ecosystem trust.
- •backstage-client, async-nats are pre-1.0 — API may change.