Decision Workspace
wslay-sys vs lean-rs-sys vs empyrean-sys
Side-by-side comparison of Rust crates
46
wslay-sys
experimentalv0.1.0
Low-level FFI bindings to the wslay WebSocket C library (vendored).
58
lean-rs-sys
experimentalv0.3.0
Raw FFI bindings for the Lean 4 C ABI. See `lean-rs` for the safe front door.
54
empyrean-sys
experimentalv0.8.2
Low-level FFI bindings to the libempyrean astrodynamics C ABI. For an ergonomic Rust API, use the empyrean crate.
Core Metrics
| wslay-sys | lean-rs-sys | empyrean-sys | |
|---|---|---|---|
| Health Score | 46 | 58 | 54 |
| Total Downloads | 41 | 1.0K | 331 |
| 30d Downloads | 0 | 0 | 0 |
| Dependents | 3 | 80 | 10 |
| Releases | 1 | 26 | 10 |
| Last Updated | 9d ago | 24d ago | 1d ago |
| Age | 9d | 1m | 20d |
Health Breakdown
wslay-sys
Maintenance
12
Quality
14
Community
8
Popularity
2
Documentation
10
lean-rs-sys
Maintenance
12
Quality
16
Community
11
Popularity
4
Documentation
15
empyrean-sys
Maintenance
14
Quality
13
Community
9
Popularity
3
Documentation
15
Technical Details
| wslay-sys | lean-rs-sys | empyrean-sys | |
|---|---|---|---|
| Version | 0.1.0 | 0.3.0 | 0.8.2 |
| Stable (≥1.0) | ✗ No | ✗ No | ✗ No |
| License | MIT | MIT OR Apache-2.0 | BSD-3-Clause |
| Dependencies | 2 | 4 | 6 |
| Crate Size | 22KB | 44KB | 75KB |
| Features | 0 | 5 | 0 |
| Yanked % | 0.0% | 0.0% | 0.0% |
| Edition | 2021 | 2024 | 2024 |
| MSRV | — | 1.91 | 1.90.0 |
| Owners | 1 | 1 | 1 |
Links
Quick Verdict
- •lean-rs-sys leads with a health score of 58/100, but none of the options score above 80.