Decision Workspace
sovran-typemap vs specta vs oci-spec
Side-by-side comparison of Rust crates
49
sovran-typemap
growingv0.5.1
A thread-safe heterogeneous container with type-safety
70
specta
stablev1.0.5
Easily export your Rust types to other languages
69
oci-spec
growingv0.9.0
Open Container Initiative Specifications in Rust
Core Metrics
| sovran-typemap | specta | oci-spec | |
|---|---|---|---|
| Health Score | 49 | 70 | 69 |
| Total Downloads | 3.4K | 822.1K | 11.9M |
| 30d Downloads | 9 | 93.5K | 1.5M |
| Dependents | 0 | 682 | 559 |
| Releases | 7 | 34 | 38 |
| Last Updated | 103d ago | 25d ago | 37d ago |
| Age | 1y 1m | 3y 8m | 6y 10m |
Health Breakdown
sovran-typemap
Maintenance
14
Quality
15
Community
6
Popularity
4
Documentation
10
specta
Maintenance
17
Quality
19
Community
14
Popularity
7
Documentation
13
oci-spec
Maintenance
16
Quality
16
Community
16
Popularity
8
Documentation
13
Technical Details
| sovran-typemap | specta | oci-spec | |
|---|---|---|---|
| Version | 0.5.1 | 1.0.5 | 0.9.0 |
| Stable (≥1.0) | ✗ No | ✓ Yes | ✗ No |
| License | MIT | MIT | Apache-2.0 |
| Dependencies | 2 | 29 | 13 |
| Crate Size | 28KB | 49KB | 95KB |
| Features | 0 | 21 | 5 |
| Yanked % | 0.0% | 2.9% | 0.0% |
| Edition | 2021 | 2021 | 2021 |
| MSRV | — | — | — |
| Owners | 1 | 1 | 3 |
Links
Quick Verdict
- •specta leads with a health score of 70/100, but none of the options score above 80.
- •oci-spec has the most downloads (11.9M), suggesting wider adoption.
- •specta is depended on by 682 crates — strongest ecosystem trust.
- •sovran-typemap, oci-spec are pre-1.0 — API may change.