Decision Workspace
datafox vs datalogic-rs vs lemma-engine
Side-by-side comparison of Rust crates
44
datafox
experimentalv0.1.0
A small Datalog parser and streaming query engine for querying facts.
71
datalogic-rs
stablev5.0.0
A fast, type-safe Rust implementation of JSONLogic for evaluating logical rules as JSON. Perfect for business rules engines and dynamic filtering in Rust applications.
58
lemma-engine
experimentalv0.8.15
A language that means business.
Core Metrics
| datafox | datalogic-rs | lemma-engine | |
|---|---|---|---|
| Health Score | 44 | 71 | 58 |
| Total Downloads | 12 | 118.5K | 1.6K |
| 30d Downloads | 0 | 7.1K | 0 |
| Dependents | 0 | 168 | 38 |
| Releases | 1 | 97 | 30 |
| Last Updated | 3d ago | 11d ago | today |
| Age | 3d | 1y 6m | 7m |
Health Breakdown
datafox
Maintenance
13
Quality
12
Community
6
Popularity
1
Documentation
12
datalogic-rs
Maintenance
18
Quality
20
Community
12
Popularity
6
Documentation
15
lemma-engine
Maintenance
19
Quality
12
Community
10
Popularity
4
Documentation
13
Technical Details
| datafox | datalogic-rs | lemma-engine | |
|---|---|---|---|
| Version | 0.1.0 | 5.0.0 | 0.8.15 |
| Stable (≥1.0) | ✗ No | ✓ Yes | ✗ No |
| License | BSD-3-Clause | Apache-2.0 | Apache-2.0 |
| Dependencies | 11 | 9 | 21 |
| Crate Size | 41KB | 222KB | 471KB |
| Features | 0 | 11 | 2 |
| Yanked % | 0.0% | 0.0% | 0.0% |
| Edition | 2024 | 2024 | 2021 |
| MSRV | 1.85 | 1.85 | — |
| Owners | 1 | 1 | 1 |
Links
Quick Verdict
- •datalogic-rs leads with a health score of 71/100, but none of the options score above 80.
- •datalogic-rs is depended on by 168 crates — strongest ecosystem trust.
- •datafox, lemma-engine are pre-1.0 — API may change.