Decision Workspace
just-engine vs boa_engine vs quickjs-rusty
Side-by-side comparison of Rust crates
41
just-engine
experimentalv0.1.0
A ground-up ES6 JavaScript engine with tree-walking interpreter, bytecode VMs, and Cranelift JIT compiler
63
boa_engine
growingv0.21.0
Boa is a Javascript lexer, parser and compiler written in Rust. Currently, it has support for some of the language.
57
quickjs-rusty
growingv0.11.1
A rusty QuickJS (QuickJS-NG) Javascript engine wrapper, and more.
Core Metrics
| just-engine | boa_engine | quickjs-rusty | |
|---|---|---|---|
| Health Score | 41 | 63 | 57 |
| Total Downloads | 15 | 2.4M | 13.5K |
| 30d Downloads | 3 | 277.6K | 427 |
| Dependents | 0 | 418 | 3 |
| Releases | 1 | 11 | 20 |
| Last Updated | 40d ago | 157d ago | 6d ago |
| Age | 1m | 4y | 1y 9m |
Health Breakdown
just-engine
Maintenance
11
Quality
11
Community
6
Popularity
1
Documentation
12
boa_engine
Maintenance
12
Quality
13
Community
18
Popularity
8
Documentation
12
quickjs-rusty
Maintenance
19
Quality
15
Community
5
Popularity
5
Documentation
13
Technical Details
| just-engine | boa_engine | quickjs-rusty | |
|---|---|---|---|
| Version | 0.1.0 | 0.21.0 | 0.11.1 |
| Stable (≥1.0) | ✗ No | ✗ No | ✗ No |
| License | MIT OR Apache-2.0 | Unlicense OR MIT | MIT |
| Dependencies | 10 | 74 | 9 |
| Crate Size | 214KB | 837KB | 93KB |
| Features | 0 | 17 | 3 |
| Yanked % | 0.0% | 0.0% | 0.0% |
| Edition | 2018 | 2024 | 2021 |
| MSRV | — | 1.88.0 | — |
| Owners | 1 | 3 (team) | 1 |
Links
Quick Verdict
- •boa_engine leads with a health score of 63/100, but none of the options score above 80.
- •boa_engine is depended on by 418 crates — strongest ecosystem trust.