Decision Workspace
kafka-protocol vs schema_registry_converter vs rdkafka-sys
Side-by-side comparison of Rust crates
58
kafka-protocol
growingv0.17.0
Implementation of Kafka wire protocol.
67
schema_registry_converter
stablev4.10.0
Encode/decode data from/to kafka using the Confluent Schema Registry
63
rdkafka-sys
stablev4.10.0+2.12.1
Native bindings to the librdkafka library
Core Metrics
| kafka-protocol | schema_registry_converter | rdkafka-sys | |
|---|---|---|---|
| Health Score | 58 | 67 | 63 |
| Total Downloads | 7.3M | 6.1M | 28.9M |
| 30d Downloads | 14.0K | 102.1K | 1.0M |
| Dependents | 165 | 33 | 95 |
| Releases | 25 | 25 | 33 |
| Last Updated | 228d ago | today | 169d ago |
| Age | 4y 7m | 7y 10m | 9y 7m |
Health Breakdown
kafka-protocol
Maintenance
10
Quality
15
Community
12
Popularity
8
Documentation
13
schema_registry_converter
Maintenance
19
Quality
20
Community
10
Popularity
8
Documentation
10
rdkafka-sys
Maintenance
12
Quality
18
Community
13
Popularity
8
Documentation
12
Technical Details
| kafka-protocol | schema_registry_converter | rdkafka-sys | |
|---|---|---|---|
| Version | 0.17.0 | 4.10.0 | 4.10.0+2.12.1 |
| Stable (≥1.0) | ✗ No | ✓ Yes | ✓ Yes |
| License | MIT/Apache-2.0 | MIT/Apache-2.0 | MIT |
| Dependencies | 12 | 18 | 10 |
| Crate Size | 228KB | 119KB | 4.9MB |
| Features | 8 | 10 | 19 |
| Yanked % | 0.0% | 0.0% | 3.0% |
| Edition | 2021 | 2021 | 2021 |
| MSRV | — | — | 1.74 |
| Owners | 3 | 1 | 5 |
Links
Quick Verdict
- •schema_registry_converter leads with a health score of 67/100, but none of the options score above 80.
- •rdkafka-sys has the most downloads (28.9M), suggesting wider adoption.
- •kafka-protocol is depended on by 165 crates — strongest ecosystem trust.
- •kafka-protocol is pre-1.0 — API may change.