Decision Workspace
flagkit vs eventsource-client vs launchdarkly-server-sdk-evaluation
Side-by-side comparison of Rust crates
47
flagkit
experimentalv1.0.9
Official Rust SDK for FlagKit feature flag management
63
eventsource-client
growingv0.17.1
Client for the Server-Sent Events protocol (aka EventSource)
63
launchdarkly-server-sdk-evaluation
stablev2.1.1
LaunchDarkly feature flag evaluation engine
Core Metrics
| flagkit | eventsource-client | launchdarkly-server-sdk-evaluation | |
|---|---|---|---|
| Health Score | 47 | 63 | 63 |
| Total Downloads | 125 | 6.5M | 5.8M |
| 30d Downloads | 11 | 339.4K | 276.8K |
| Dependents | 0 | 497 | 27 |
| Releases | 9 | 27 | 14 |
| Last Updated | 41d ago | 18d ago | 18d ago |
| Age | 1m | 6y 8m | 4y 2m |
Health Breakdown
flagkit
Maintenance
13
Quality
13
Community
6
Popularity
3
Documentation
12
eventsource-client
Maintenance
18
Quality
13
Community
12
Popularity
8
Documentation
12
launchdarkly-server-sdk-evaluation
Maintenance
18
Quality
18
Community
7
Popularity
8
Documentation
12
Technical Details
| flagkit | eventsource-client | launchdarkly-server-sdk-evaluation | |
|---|---|---|---|
| Version | 1.0.9 | 0.17.1 | 2.1.1 |
| Stable (≥1.0) | ✓ Yes | ✗ No | ✓ Yes |
| License | MIT | Apache-2.0 | Apache-2.0 |
| Dependencies | 26 | 16 | 17 |
| Crate Size | 105KB | 306KB | 85KB |
| Features | 1 | 5 | 1 |
| Yanked % | 0.0% | 3.7% | 0.0% |
| Edition | 2021 | 2021 | 2021 |
| MSRV | 1.70 | 1.92.0 | 1.92.0 |
| Owners | 1 | 2 | 1 |
Links
Quick Verdict
- •eventsource-client leads with a health score of 63/100, but none of the options score above 80.
- •eventsource-client is depended on by 497 crates — strongest ecosystem trust.
- •eventsource-client is pre-1.0 — API may change.