Decision Workspace
second-brain-core vs hora-graph-core vs aimem-core
Side-by-side comparison of Rust crates
52
second-brain-core
experimentalv0.4.0
Core library for second-brain: KuzuDB graph storage, BGE embeddings, and weighted query engine
49
hora-graph-core
experimentalv1.0.0
Bio-inspired embedded knowledge graph engine — pure Rust, zero runtime deps
48
aimem-core
experimentalv0.3.9
Core library for AiMem — give your AI a memory. Hybrid search + knowledge graph over Turso.
Core Metrics
| second-brain-core | hora-graph-core | aimem-core | |
|---|---|---|---|
| Health Score | 52 | 49 | 48 |
| Total Downloads | 144 | 18 | 379 |
| 30d Downloads | 0 | 0 | 0 |
| Dependents | 23 | 0 | 24 |
| Releases | 6 | 1 | 12 |
| Last Updated | 6d ago | 82d ago | 30d ago |
| Age | 13d | 2m | 1m |
Health Breakdown
second-brain-core
Maintenance
17
Quality
12
Community
10
Popularity
3
Documentation
10
hora-graph-core
Maintenance
8
Quality
18
Community
6
Popularity
2
Documentation
15
aimem-core
Maintenance
12
Quality
11
Community
10
Popularity
3
Documentation
12
Technical Details
| second-brain-core | hora-graph-core | aimem-core | |
|---|---|---|---|
| Version | 0.4.0 | 1.0.0 | 0.3.9 |
| Stable (≥1.0) | ✗ No | ✓ Yes | ✗ No |
| License | MIT | MIT OR Apache-2.0 | MIT |
| Dependencies | 14 | 5 | 19 |
| Crate Size | 44KB | 110KB | 79KB |
| Features | 0 | 5 | 0 |
| Yanked % | 0.0% | 0.0% | 0.0% |
| Edition | 2024 | 2021 | 2024 |
| MSRV | — | 1.70 | 1.85 |
| Owners | 1 | 1 | 1 |
Links
Quick Verdict
- •second-brain-core leads with a health score of 52/100, but none of the options score above 80.
- •aimem-core has the most downloads (379), suggesting wider adoption.
- •second-brain-core, aimem-core are pre-1.0 — API may change.