Decision Workspace
sprk vs rstar vs kiddo
Side-by-side comparison of Rust crates
45
sprk
experimentalv0.1.0
High-performance spatial index for radius queries in D-dimensional Euclidean space
73
rstar
growingv0.13.0
An R*-tree spatial index
63
kiddo
stablev5.3.1
A high-performance, flexible, ergonomic k-d tree library. Ideal for geo- and astro- nearest-neighbour and k-nearest-neighbor queries
Core Metrics
| sprk | rstar | kiddo | |
|---|---|---|---|
| Health Score | 45 | 73 | 63 |
| Total Downloads | 46 | 26.9M | 6.3M |
| 30d Downloads | 0 | 3.4M | 547.2K |
| Dependents | 0 | 1.7K | 363 |
| Releases | 1 | 26 | 51 |
| Last Updated | 48d ago | 1d ago | 41d ago |
| Age | 1m | 7y 6m | 5y 1m |
Health Breakdown
sprk
Maintenance
10
Quality
15
Community
8
Popularity
2
Documentation
10
rstar
Maintenance
18
Quality
12
Community
20
Popularity
8
Documentation
15
kiddo
Maintenance
16
Quality
16
Community
10
Popularity
8
Documentation
13
Technical Details
| sprk | rstar | kiddo | |
|---|---|---|---|
| Version | 0.1.0 | 0.13.0 | 5.3.1 |
| Stable (≥1.0) | ✗ No | ✗ No | ✓ Yes |
| License | MIT | MIT OR Apache-2.0 | MIT OR Apache-2.0 |
| Dependencies | 8 | 10 | 40 |
| Crate Size | 36KB | 54KB | 158KB |
| Features | 5 | 2 | 12 |
| Yanked % | 0.0% | 7.7% | 5.9% |
| Edition | 2024 | 2021 | 2021 |
| MSRV | — | 1.85 | — |
| Owners | 2 | 4 (team) | 1 |
Links
Quick Verdict
- •rstar leads with a health score of 73/100, but none of the options score above 80.
- •rstar is depended on by 1.7K crates — strongest ecosystem trust.
- •sprk, rstar are pre-1.0 — API may change.