Decision Workspace
arms-hat vs velesdb-core vs velesdb-server
Side-by-side comparison of Rust crates
40
arms-hat
experimentalv0.1.0
Hierarchical Attention Tree: 100% recall at 70x faster build times than HNSW. A new database paradigm for AI memory and hierarchical semantic search.
63
velesdb-core
growingv3.9.1
High-performance vector database engine written in Rust
59
velesdb-server
growingv3.9.1
REST API server for VelesDB vector database
Core Metrics
| arms-hat | velesdb-core | velesdb-server | |
|---|---|---|---|
| Health Score | 40 | 63 | 59 |
| Total Downloads | 29 | 3.3K | 1.3K |
| 30d Downloads | 0 | 0 | 0 |
| Dependents | 0 | 365 | 0 |
| Releases | 1 | 86 | 82 |
| Last Updated | 183d ago | 2d ago | 2d ago |
| Age | 6m | 6m | 6m |
Health Breakdown
arms-hat
Maintenance
5
Quality
14
Community
6
Popularity
2
Documentation
13
velesdb-core
Maintenance
19
Quality
14
Community
13
Popularity
4
Documentation
13
velesdb-server
Maintenance
19
Quality
17
Community
6
Popularity
4
Documentation
13
Technical Details
| arms-hat | velesdb-core | velesdb-server | |
|---|---|---|---|
| Version | 0.1.0 | 3.9.1 | 3.9.1 |
| Stable (≥1.0) | ✗ No | ✓ Yes | ✓ Yes |
| License | MIT | non-standard | non-standard |
| Dependencies | 10 | 46 | 28 |
| Crate Size | 72KB | 2.1MB | 164KB |
| Features | 2 | 9 | 11 |
| Yanked % | 0.0% | 0.0% | 0.0% |
| Edition | 2021 | 2021 | 2021 |
| MSRV | — | 1.89 | 1.89 |
| Owners | 1 | 1 | 1 |
Links
Quick Verdict
- •velesdb-core leads with a health score of 63/100, but none of the options score above 80.
- •velesdb-core is depended on by 365 crates — strongest ecosystem trust.
- •arms-hat is pre-1.0 — API may change.