Decision Workspace
cfgmatic-merge vs json_value_merge vs serde-extensions
Side-by-side comparison of Rust crates
59
cfgmatic-merge
experimentalv5.0.1
Flexible configuration merging for Rust applications
49
json_value_merge
growingv2.0.1
Interface to merge serde_json::Value objects.
48
serde-extensions
growingv1.0.4
Extensions for serde serializable structs
Core Metrics
| cfgmatic-merge | json_value_merge | serde-extensions | |
|---|---|---|---|
| Health Score | 59 | 49 | 48 |
| Total Downloads | 500 | 3.0M | 3.5K |
| 30d Downloads | 0 | 126.3K | 0 |
| Dependents | 27 | 239 | 5 |
| Releases | 14 | 16 | 6 |
| Last Updated | 43d ago | 500d ago | 106d ago |
| Age | 3m | 6y 1m | 2y 6m |
Health Breakdown
cfgmatic-merge
Maintenance
16
Quality
18
Community
10
Popularity
3
Documentation
12
json_value_merge
Maintenance
5
Quality
16
Community
11
Popularity
8
Documentation
9
serde-extensions
Maintenance
11
Quality
16
Community
7
Popularity
4
Documentation
10
Technical Details
| cfgmatic-merge | json_value_merge | serde-extensions | |
|---|---|---|---|
| Version | 5.0.1 | 2.0.1 | 1.0.4 |
| Stable (≥1.0) | ✓ Yes | ✓ Yes | ✓ Yes |
| License | MIT OR Apache-2.0 | MIT OR Apache-2.0 | MIT |
| Dependencies | 5 | 2 | 4 |
| Crate Size | 21KB | 9KB | 4KB |
| Features | 2 | 0 | 0 |
| Yanked % | 0.0% | 12.5% | 0.0% |
| Edition | 2024 | 2018 | 2021 |
| MSRV | 1.92 | — | — |
| Owners | 1 | 1 | 1 |
Links
Quick Verdict
- •cfgmatic-merge leads with a health score of 59/100, but none of the options score above 80.
- •json_value_merge has the most downloads (3.0M), suggesting wider adoption.
- •json_value_merge is depended on by 239 crates — strongest ecosystem trust.
- •⚠ json_value_merge has not been updated in over a year.