Decision Workspace
open-feature-env-var vs flagsmith vs configcat
Side-by-side comparison of Rust crates
36
open-feature-env-var
experimentalv0.1.0
Environment Variable provider for OpenFeature
56
flagsmith
stablev2.1.0
Flagsmith SDK for Rust
55
configcat
growingv0.1.5
ConfigCat Rust SDK
Core Metrics
| open-feature-env-var | flagsmith | configcat | |
|---|---|---|---|
| Health Score | 36 | 56 | 55 |
| Total Downloads | 126.6K | 13.4K | 262.7K |
| 30d Downloads | 31.2K | 245 | 8.1K |
| Dependents | 0 | 0 | 2 |
| Releases | 1 | 10 | 6 |
| Last Updated | 228d ago | 115d ago | 4d ago |
| Age | 7m | 4y 8m | 1y 9m |
Health Breakdown
open-feature-env-var
Maintenance
4
Quality
13
Community
3
Popularity
6
Documentation
10
flagsmith
Maintenance
13
Quality
18
Community
10
Popularity
5
Documentation
10
configcat
Maintenance
19
Quality
13
Community
4
Popularity
6
Documentation
13
Technical Details
| open-feature-env-var | flagsmith | configcat | |
|---|---|---|---|
| Version | 0.1.0 | 2.1.0 | 0.1.5 |
| Stable (≥1.0) | ✗ No | ✓ Yes | ✗ No |
| License | Apache-2.0 | BSD-3-Clause | MIT |
| Dependencies | 5 | 10 | 19 |
| Crate Size | 15KB | 36KB | 138KB |
| Features | 0 | 0 | 3 |
| Yanked % | 0.0% | 0.0% | 0.0% |
| Edition | 2021 | 2021 | 2021 |
| MSRV | — | — | — |
| Owners | 1 | 3 | 1 |
Links
Quick Verdict
- •flagsmith leads with a health score of 56/100, but none of the options score above 80.
- •configcat has the most downloads (262.7K), suggesting wider adoption.
- •open-feature-env-var, configcat are pre-1.0 — API may change.