Decision Workspace
hdds-ws vs pylon-kernel vs wsio-core
Side-by-side comparison of Rust crates
45
hdds-ws
experimentalv1.1.2
HDDS WebSocket Bridge - Connect browsers to DDS topics
59
pylon-kernel
experimentalv0.3.55
Pylon — realtime backend as a single Rust binary. Schema, policies, server functions, live queries, auth — one process.
58
wsio-core
experimentalv0.12.5
Shared core library for ws.io — provides common types, traits, and abstractions for WebSocket-based communication.
Core Metrics
| hdds-ws | pylon-kernel | wsio-core | |
|---|---|---|---|
| Health Score | 45 | 59 | 58 |
| Total Downloads | 95 | 1.5K | 2.7K |
| 30d Downloads | 0 | 1.3K | 0 |
| Dependents | 0 | 368 | 69 |
| Releases | 7 | 64 | 24 |
| Last Updated | 38d ago | 18d ago | 22d ago |
| Age | 2m | 1m | 7m |
Health Breakdown
hdds-ws
Maintenance
12
Quality
15
Community
6
Popularity
2
Documentation
10
pylon-kernel
Maintenance
18
Quality
14
Community
13
Popularity
4
Documentation
10
wsio-core
Maintenance
18
Quality
15
Community
11
Popularity
4
Documentation
10
Technical Details
| hdds-ws | pylon-kernel | wsio-core | |
|---|---|---|---|
| Version | 1.1.2 | 0.3.55 | 0.12.5 |
| Stable (≥1.0) | ✓ Yes | ✗ No | ✗ No |
| License | Apache-2.0 OR MIT | MIT OR Apache-2.0 | MIT |
| Dependencies | 12 | 2 | 14 |
| Crate Size | 31KB | 19KB | 16KB |
| Features | 0 | 0 | 7 |
| Yanked % | 0.0% | 0.0% | 0.0% |
| Edition | 2021 | 2021 | 2024 |
| MSRV | — | — | — |
| Owners | 1 | 1 | 1 |
Links
Quick Verdict
- •pylon-kernel leads with a health score of 59/100, but none of the options score above 80.
- •wsio-core has the most downloads (2.7K), suggesting wider adoption.
- •pylon-kernel is depended on by 368 crates — strongest ecosystem trust.
- •pylon-kernel, wsio-core are pre-1.0 — API may change.