Decision Workspace
specs_declaration vs freecs vs nexus-rt-derive
Side-by-side comparison of Rust crates
34
specs_declaration
growingv0.3.0
A simple macro to effectively create SPECS systems.
59
freecs
stablev2.0.1
A high-performance, archetype-based Entity Component System (ECS) written in Rust.
56
nexus-rt-derive
experimentalv1.1.0
Derive macros for nexus-rt. Use nexus-rt instead of depending on this directly.
Core Metrics
| specs_declaration | freecs | nexus-rt-derive | |
|---|---|---|---|
| Health Score | 34 | 59 | 56 |
| Total Downloads | 2.9K | 47.4K | 208 |
| 30d Downloads | 5 | 516 | 208 |
| Dependents | 0 | 92 | 5 |
| Releases | 2 | 75 | 4 |
| Last Updated | 2075d ago | 14d ago | 1d ago |
| Age | 5y 9m | 1y 4m | 3d |
Health Breakdown
specs_declaration
Maintenance
3
Quality
15
Community
3
Popularity
4
Documentation
9
freecs
Maintenance
18
Quality
16
Community
7
Popularity
6
Documentation
12
nexus-rt-derive
Maintenance
17
Quality
16
Community
8
Popularity
3
Documentation
12
Technical Details
| specs_declaration | freecs | nexus-rt-derive | |
|---|---|---|---|
| Version | 0.3.0 | 2.0.1 | 1.1.0 |
| Stable (≥1.0) | ✗ No | ✓ Yes | ✓ Yes |
| License | GPL-3.0-only | MIT | MIT OR Apache-2.0 |
| Dependencies | 1 | 6 | 3 |
| Crate Size | 14KB | 104KB | 11KB |
| Features | 0 | 1 | 0 |
| Yanked % | 0.0% | 0.0% | 0.0% |
| Edition | 2018 | 2024 | 2024 |
| MSRV | — | 1.90 | 1.85 |
| Owners | 1 | 1 | 1 |
Links
Quick Verdict
- •freecs leads with a health score of 59/100, but none of the options score above 80.
- •⚠ specs_declaration has not been updated in over a year.
- •specs_declaration is pre-1.0 — API may change.