Decision Workspace
oasysdb vs nidus vs lancedb
Side-by-side comparison of Rust crates
41
oasysdb
growingv0.7.3
Hybrid vector store with SQL integration & multi-index support.
49
nidus
experimentalv0.27.0
A small, pure-Rust embeddable vector store: brute-force or ANN cosine search over a single append-only directory, with pluggable persistence (local files, S3, GCS). No SQL, no query engine; builds in seconds.
69
lancedb
growingv0.31.0
LanceDB: A serverless, low-latency vector database for AI applications
Core Metrics
| oasysdb | nidus | lancedb | |
|---|---|---|---|
| Health Score | 41 | 49 | 69 |
| Total Downloads | 25.4K | 616 | 668.1K |
| 30d Downloads | 0 | 0 | 100.3K |
| Dependents | 6 | 2 | 867 |
| Releases | 20 | 36 | 53 |
| Last Updated | 705d ago | 24d ago | 11d ago |
| Age | 2y 5m | 1m | 3y 3m |
Health Breakdown
oasysdb
Maintenance
8
Quality
10
Community
8
Popularity
5
Documentation
10
nidus
Maintenance
14
Quality
11
Community
9
Popularity
3
Documentation
12
lancedb
Maintenance
18
Quality
14
Community
18
Popularity
7
Documentation
12
Technical Details
| oasysdb | nidus | lancedb | |
|---|---|---|---|
| Version | 0.7.3 | 0.27.0 | 0.31.0 |
| Stable (≥1.0) | ✗ No | ✗ No | ✗ No |
| License | Apache-2.0 | MIT | Apache-2.0 |
| Dependencies | 16 | 21 | 83 |
| Crate Size | 78KB | 493KB | 428KB |
| Features | 2 | 1 | 14 |
| Yanked % | 10.0% | 0.0% | 0.0% |
| Edition | 2021 | 2024 | 2024 |
| MSRV | — | 1.96 | 1.91.0 |
| Owners | 1 | 2 | 5 (team) |
Links
Quick Verdict
- •lancedb leads with a health score of 69/100, but none of the options score above 80.
- •lancedb is depended on by 867 crates — strongest ecosystem trust.
- •⚠ oasysdb has not been updated in over a year.