Decision Workspace
just-engine vs boa_engine vs quickjs-rusty
Side-by-side comparison of Rust crates
37
just-engine
experimentalv0.1.0
A ground-up ES6 JavaScript engine with tree-walking interpreter, bytecode VMs, and Cranelift JIT compiler
66
boa_engine
growingv0.21.1
Boa is a Javascript lexer, parser and compiler written in Rust. Currently, it has support for some of the language.
58
quickjs-rusty
growingv0.13.0
A rusty QuickJS (QuickJS-NG) Javascript engine wrapper, and more.
Core Metrics
| just-engine | boa_engine | quickjs-rusty | |
|---|---|---|---|
| Health Score | 37 | 66 | 58 |
| Total Downloads | 24 | 3.7M | 14.7K |
| 30d Downloads | 0 | 283.5K | 0 |
| Dependents | 0 | 789 | 4 |
| Releases | 1 | 12 | 22 |
| Last Updated | 148d ago | 106d ago | 6d ago |
| Age | 4m | 4y 4m | 2y |
Health Breakdown
just-engine
Maintenance
6
Quality
11
Community
6
Popularity
2
Documentation
12
boa_engine
Maintenance
14
Quality
13
Community
19
Popularity
8
Documentation
12
quickjs-rusty
Maintenance
20
Quality
15
Community
5
Popularity
5
Documentation
13
Technical Details
| just-engine | boa_engine | quickjs-rusty | |
|---|---|---|---|
| Version | 0.1.0 | 0.21.1 | 0.13.0 |
| Stable (≥1.0) | ✗ No | ✗ No | ✗ No |
| License | MIT OR Apache-2.0 | Unlicense OR MIT | MIT |
| Dependencies | 10 | 74 | 9 |
| Crate Size | 214KB | 837KB | 95KB |
| Features | 0 | 17 | 4 |
| Yanked % | 0.0% | 0.0% | 0.0% |
| Edition | 2018 | 2024 | 2021 |
| MSRV | — | 1.88.0 | — |
| Owners | 1 | 2 (team) | 1 |
Links
Quick Verdict
- •boa_engine leads with a health score of 66/100, but none of the options score above 80.
- •boa_engine is depended on by 789 crates — strongest ecosystem trust.