Decision Workspace
zerodds-cdr vs zerodds-qos vs zerodds-cdr-derive
Side-by-side comparison of Rust crates
64
zerodds-cdr
experimentalv1.0.0-rc.5
XCDR1/XCDR2 encoder/decoder + KeyHash + PL_CDR1 helpers. Implements OMG XTypes 1.3 §7.4 wire format. Pure-Rust no_std + alloc.
64
zerodds-qos
experimentalv1.0.0-rc.5
DDS QoS policies (DDS 1.4 §2.2.3) + Request/Offered Compatibility-Matrix + PL_CDR_LE PID-Wire-Codec (DDSI-RTPS §9.6.3.2). Pure-Rust no_std + alloc.
54
zerodds-cdr-derive
experimentalv1.0.0-rc.5
#[derive(DdsType)] proc-macro for zerodds-xcdr2-rust-1.0 (TYPE_NAME + EXTENSIBILITY + IS_KEYED + encode/decode/key_hash).
Core Metrics
| zerodds-cdr | zerodds-qos | zerodds-cdr-derive | |
|---|---|---|---|
| Health Score | 64 | 64 | 54 |
| Total Downloads | 2.0K | 1.3K | 91 |
| 30d Downloads | 789 | 0 | 0 |
| Dependents | 107 | 153 | 0 |
| Releases | 5 | 5 | 5 |
| Last Updated | 5d ago | 5d ago | 5d ago |
| Age | 2m | 2m | 2m |
Health Breakdown
zerodds-cdr
Maintenance
14
Quality
19
Community
12
Popularity
4
Documentation
15
zerodds-qos
Maintenance
14
Quality
19
Community
12
Popularity
4
Documentation
15
zerodds-cdr-derive
Maintenance
14
Quality
17
Community
6
Popularity
2
Documentation
15
Technical Details
| zerodds-cdr | zerodds-qos | zerodds-cdr-derive | |
|---|---|---|---|
| Version | 1.0.0-rc.5 | 1.0.0-rc.5 | 1.0.0-rc.5 |
| Stable (≥1.0) | ✓ Yes | ✓ Yes | ✓ Yes |
| License | Apache-2.0 | Apache-2.0 | Apache-2.0 |
| Dependencies | 7 | 1 | 3 |
| Crate Size | 74KB | 37KB | 6KB |
| Features | 5 | 4 | 0 |
| Yanked % | 0.0% | 0.0% | 0.0% |
| Edition | 2024 | 2024 | 2024 |
| MSRV | 1.88 | 1.88 | 1.88 |
| Owners | 1 | 1 | 1 |
Links
Quick Verdict
- •zerodds-cdr leads with a health score of 64/100, but none of the options score above 80.
- •zerodds-qos is depended on by 153 crates — strongest ecosystem trust.