Decision Workspace
nson vs capnp vs dcbor
Side-by-side comparison of Rust crates
57
nson
growingv0.14.0
NSON is a lightweight data-interchange format like JSON or BSON
70
capnp
growingv0.25.2
runtime library for Cap'n Proto data encoding
68
dcbor
growingv0.25.2
Deterministic CBOR ("dCBOR") for Rust.
Core Metrics
| nson | capnp | dcbor | |
|---|---|---|---|
| Health Score | 57 | 70 | 68 |
| Total Downloads | 59.3K | 10.5M | 95.7K |
| 30d Downloads | 138 | 719.2K | 8.6K |
| Dependents | 106 | 1.4K | 458 |
| Releases | 42 | 197 | 60 |
| Last Updated | 72d ago | 15d ago | 11d ago |
| Age | 8y 3m | 11y 4m | 3y 1m |
Health Breakdown
nson
Maintenance
14
Quality
13
Community
11
Popularity
6
Documentation
13
capnp
Maintenance
18
Quality
17
Community
12
Popularity
8
Documentation
15
dcbor
Maintenance
19
Quality
15
Community
15
Popularity
6
Documentation
13
Technical Details
| nson | capnp | dcbor | |
|---|---|---|---|
| Version | 0.14.0 | 0.25.2 | 0.25.2 |
| Stable (≥1.0) | ✗ No | ✗ No | ✗ No |
| License | MIT | MIT | BSD-2-Clause-Patent |
| Dependencies | 8 | 3 | 12 |
| Crate Size | 39KB | 150KB | 185KB |
| Features | 5 | 6 | 5 |
| Yanked % | 9.5% | 0.0% | 0.0% |
| Edition | 2024 | 2021 | 2024 |
| MSRV | — | 1.81.0 | — |
| Owners | 1 | 1 | 2 |
Links
Quick Verdict
- •capnp leads with a health score of 70/100, but none of the options score above 80.
- •capnp is depended on by 1.4K crates — strongest ecosystem trust.