Decision Workspace
backstage-client vs cynic vs pulsar
Side-by-side comparison of Rust crates
47
backstage-client
experimentalv0.1.3
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.
71
cynic
stablev3.13.1
A code first GraphQL client for Rust
69
pulsar
stablev6.7.1
Rust client for Apache Pulsar
Core Metrics
| backstage-client | cynic | pulsar | |
|---|---|---|---|
| Health Score | 47 | 71 | 69 |
| Total Downloads | 1.3K | 3.3M | 1.7M |
| 30d Downloads | 7 | 495.7K | 85.0K |
| Dependents | 0 | 903 | 116 |
| Releases | 4 | 75 | 41 |
| Last Updated | 179d ago | 27d ago | 15d ago |
| Age | 7m | 6y 1m | 7y 5m |
Health Breakdown
backstage-client
Maintenance
10
Quality
12
Community
6
Popularity
4
Documentation
15
cynic
Maintenance
17
Quality
20
Community
11
Popularity
8
Documentation
15
pulsar
Maintenance
17
Quality
19
Community
13
Popularity
7
Documentation
13
Technical Details
| backstage-client | cynic | pulsar | |
|---|---|---|---|
| Version | 0.1.3 | 3.13.1 | 6.7.1 |
| Stable (≥1.0) | ✗ No | ✓ Yes | ✓ Yes |
| License | MIT | MPL-2.0 | MIT OR Apache-2.0 |
| Dependencies | 9 | 17 | 45 |
| Crate Size | 26KB | 64KB | 126KB |
| Features | 0 | 7 | 13 |
| Yanked % | 0.0% | 0.0% | 0.0% |
| Edition | 2021 | 2024 | 2021 |
| MSRV | 1.63 | 1.85 | — |
| Owners | 1 | 1 | 3 |
Links
Quick Verdict
- •cynic leads with a health score of 71/100, but none of the options score above 80.
- •cynic is depended on by 903 crates — strongest ecosystem trust.
- •backstage-client is pre-1.0 — API may change.