Decision Workspace
cfgmatic-merge vs serde-extensions vs json_value_merge
Side-by-side comparison of Rust crates
58
cfgmatic-merge
experimentalv3.0.1
Flexible configuration merging for Rust applications
50
serde-extensions
stablev1.0.4
Extensions for serde serializable structs
49
json_value_merge
growingv2.0.1
Interface to merge serde_json::Value objects.
Core Metrics
| cfgmatic-merge | serde-extensions | json_value_merge | |
|---|---|---|---|
| Health Score | 58 | 50 | 49 |
| Total Downloads | 292 | 3.5K | 2.7M |
| 30d Downloads | 77 | 45 | 128.1K |
| Dependents | 21 | 5 | 239 |
| Releases | 11 | 6 | 16 |
| Last Updated | 35d ago | 47d ago | 441d ago |
| Age | 1m | 2y 4m | 5y 11m |
Health Breakdown
cfgmatic-merge
Maintenance
17
Quality
16
Community
10
Popularity
3
Documentation
12
serde-extensions
Maintenance
13
Quality
16
Community
7
Popularity
4
Documentation
10
json_value_merge
Maintenance
5
Quality
16
Community
11
Popularity
8
Documentation
9
Technical Details
| cfgmatic-merge | serde-extensions | json_value_merge | |
|---|---|---|---|
| Version | 3.0.1 | 1.0.4 | 2.0.1 |
| Stable (≥1.0) | ✓ Yes | ✓ Yes | ✓ Yes |
| License | MIT OR Apache-2.0 | MIT | MIT OR Apache-2.0 |
| Dependencies | 4 | 4 | 2 |
| Crate Size | 15KB | 4KB | 9KB |
| Features | 0 | 0 | 0 |
| Yanked % | 0.0% | 0.0% | 12.5% |
| Edition | 2024 | 2021 | 2018 |
| MSRV | 1.92 | — | — |
| Owners | 1 | 1 | 1 |
Links
Quick Verdict
- •cfgmatic-merge leads with a health score of 58/100, but none of the options score above 80.
- •json_value_merge has the most downloads (2.7M), 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.