Decision Workspace
serde_json_merge vs cfgmatic-merge vs json_value_merge
Side-by-side comparison of Rust crates
45
serde_json_merge
growingv0.0.6
Merge, index, iterate, and sort a serde_json::Value (recursively)
58
cfgmatic-merge
experimentalv3.0.1
Flexible configuration merging for Rust applications
49
json_value_merge
growingv2.0.1
Interface to merge serde_json::Value objects.
Core Metrics
| serde_json_merge | cfgmatic-merge | json_value_merge | |
|---|---|---|---|
| Health Score | 45 | 58 | 49 |
| Total Downloads | 48.7K | 292 | 2.7M |
| 30d Downloads | 1.0K | 77 | 128.1K |
| Dependents | 31 | 21 | 239 |
| Releases | 3 | 11 | 16 |
| Last Updated | 320d ago | 35d ago | 441d ago |
| Age | 3y 6m | 1m | 5y 11m |
Health Breakdown
serde_json_merge
Maintenance
6
Quality
16
Community
9
Popularity
6
Documentation
8
cfgmatic-merge
Maintenance
17
Quality
16
Community
10
Popularity
3
Documentation
12
json_value_merge
Maintenance
5
Quality
16
Community
11
Popularity
8
Documentation
9
Technical Details
| serde_json_merge | cfgmatic-merge | json_value_merge | |
|---|---|---|---|
| Version | 0.0.6 | 3.0.1 | 2.0.1 |
| Stable (≥1.0) | ✗ No | ✓ Yes | ✓ Yes |
| License | non-standard | MIT OR Apache-2.0 | MIT OR Apache-2.0 |
| Dependencies | 10 | 4 | 2 |
| Crate Size | 28KB | 15KB | 9KB |
| Features | 6 | 0 | 0 |
| Yanked % | 0.0% | 0.0% | 12.5% |
| Edition | 2021 | 2024 | 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.
- •serde_json_merge is pre-1.0 — API may change.