Decision Workspace
kiddo vs cashmere vs fast-kd
Side-by-side comparison of Rust crates
65
kiddo
stablev5.3.0
A high-performance, flexible, ergonomic k-d tree library. Ideal for geo- and astro- nearest-neighbour and k-nearest-neighbor queries
34
cashmere
growingv0.0.1
Spatial search trees with a focus on online mutability, speed, performance guarantees, and flexibility
24
fast-kd
growingv0.1.1
K-dimensional tree in Rust for fast geospatial indexing and nearest neighbors lookup
Core Metrics
| kiddo | cashmere | fast-kd | |
|---|---|---|---|
| Health Score | 65 | 34 | 24 |
| Total Downloads | 5.2M | 1.6K | 2.8K |
| 30d Downloads | 566.2K | 6 | 4 |
| Dependents | 288 | 0 | 0 |
| Releases | 50 | 1 | 2 |
| Last Updated | 8d ago | 989d ago | 1465d ago |
| Age | 4y 11m | 2y 8m | 4y |
Health Breakdown
kiddo
Maintenance
18
Quality
16
Community
10
Popularity
8
Documentation
13
cashmere
Maintenance
1
Quality
16
Community
6
Popularity
4
Documentation
7
fast-kd
Maintenance
3
Quality
8
Community
3
Popularity
4
Documentation
6
Technical Details
| kiddo | cashmere | fast-kd | |
|---|---|---|---|
| Version | 5.3.0 | 0.0.1 | 0.1.1 |
| Stable (≥1.0) | ✓ Yes | ✗ No | ✗ No |
| License | MIT OR Apache-2.0 | MIT | MIT OR Apache-2.0 |
| Dependencies | 40 | 2 | 11 |
| Crate Size | 158KB | 22KB | 11KB |
| Features | 12 | 1 | 1 |
| Yanked % | 6.0% | 0.0% | 50.0% |
| Edition | 2021 | 2021 | 2018 |
| MSRV | — | — | — |
| Owners | 1 | 1 | 1 |
Quick Verdict
- •kiddo leads with a health score of 65/100, but none of the options score above 80.
- •kiddo is depended on by 288 crates — strongest ecosystem trust.
- •⚠ cashmere, fast-kd have not been updated in over a year.
- •cashmere, fast-kd are pre-1.0 — API may change.