Decision Workspace
capnpack vs capnp vs bincode-next
Side-by-side comparison of Rust crates
49
capnpack
experimentalv1.0.4
CapnProto's packing algorithm for any binary data
70
capnp
growingv0.26.2
runtime library for Cap'n Proto data encoding
70
bincode-next
growingv3.1.1
A compact, ultra-fast binary serialization format for Rust, optimized for networking and storage!
Core Metrics
| capnpack | capnp | bincode-next | |
|---|---|---|---|
| Health Score | 49 | 70 | 70 |
| Total Downloads | 64 | 12.7M | 483.1K |
| 30d Downloads | 0 | 434.1K | 111.8K |
| Dependents | 0 | 1.6K | 277 |
| Releases | 4 | 204 | 21 |
| Last Updated | 53d ago | 8d ago | 23d ago |
| Age | 1m | 11y 7m | 6m |
Health Breakdown
capnpack
Maintenance
16
Quality
13
Community
5
Popularity
2
Documentation
13
capnp
Maintenance
18
Quality
17
Community
12
Popularity
8
Documentation
15
bincode-next
Maintenance
18
Quality
17
Community
13
Popularity
7
Documentation
15
Technical Details
| capnpack | capnp | bincode-next | |
|---|---|---|---|
| Version | 1.0.4 | 0.26.2 | 3.1.1 |
| Stable (≥1.0) | ✓ Yes | ✗ No | ✓ Yes |
| License | MIT | MIT | MIT or Apache-2.0 |
| Dependencies | 0 | 3 | 31 |
| Crate Size | 6KB | 153KB | 216KB |
| Features | 0 | 6 | 13 |
| Yanked % | 25.0% | 0.0% | 0.0% |
| Edition | 2024 | 2021 | 2024 |
| MSRV | — | 1.81.0 | 1.90.0 |
| Owners | 1 | 1 | 1 |
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 1.6K crates — strongest ecosystem trust.
- •capnp is pre-1.0 — API may change.