Decision Workspace
duende-policy vs covguard-domain vs cedar-policy
Side-by-side comparison of Rust crates
42
duende-policy
experimentalv0.2.0
Policy enforcement for Duende (quality gates, circuit breakers, resource limits)
48
covguard-domain
experimentalv0.1.0
Pure policy evaluation engine for diff-scoped coverage decisions
75
cedar-policy
stablev4.9.1
Cedar is a language for defining permissions as policies, which describe who should have access to what.
Core Metrics
| duende-policy | covguard-domain | cedar-policy | |
|---|---|---|---|
| Health Score | 42 | 48 | 75 |
| Total Downloads | 283 | 44 | 4.3M |
| 30d Downloads | 94 | 44 | 722.4K |
| Dependents | 3 | 2 | 597 |
| Releases | 2 | 1 | 73 |
| Last Updated | 73d ago | 15d ago | 28d ago |
| Age | 2m | 15d | 2y 10m |
Health Breakdown
duende-policy
Maintenance
10
Quality
12
Community
7
Popularity
3
Documentation
10
covguard-domain
Maintenance
12
Quality
13
Community
6
Popularity
2
Documentation
15
cedar-policy
Maintenance
17
Quality
19
Community
19
Popularity
8
Documentation
12
Technical Details
| duende-policy | covguard-domain | cedar-policy | |
|---|---|---|---|
| Version | 0.2.0 | 0.1.0 | 4.9.1 |
| Stable (≥1.0) | ✗ No | ✗ No | ✓ Yes |
| License | MIT | Apache-2.0 OR MIT | Apache-2.0 |
| Dependencies | 11 | 5 | 28 |
| Crate Size | 27KB | 14KB | 183KB |
| Features | 0 | 0 | 18 |
| Yanked % | 0.0% | 0.0% | 0.0% |
| Edition | 2024 | 2024 | 2021 |
| MSRV | — | 1.92 | 1.89 |
| Owners | 1 | 1 | 7 (team) |
Links
Quick Verdict
- •cedar-policy leads with a health score of 75/100, but none of the options score above 80.
- •cedar-policy is depended on by 597 crates — strongest ecosystem trust.
- •duende-policy, covguard-domain are pre-1.0 — API may change.