Decision Workspace
boa_engine vs Boa vs boa_unicode
Side-by-side comparison of Rust crates
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.
43
Boa
growingv0.13.1
DEPRECATED. Use the boa_engine crate instead.
49
boa_unicode
growingv0.16.1
DEPRECATED. Use the icu_properties crate instead.
Core Metrics
| boa_engine | Boa | boa_unicode | |
|---|---|---|---|
| Health Score | 63 | 43 | 49 |
| Total Downloads | 2.4M | 72.1K | 84.8K |
| 30d Downloads | 277.6K | 335 | 920 |
| Dependents | 418 | 11 | 6 |
| Releases | 11 | 23 | 6 |
| Last Updated | 157d ago | 1279d ago | 1004d ago |
| Age | 4y | 7y 6m | 5y 2m |
Health Breakdown
boa_engine
Maintenance
12
Quality
13
Community
18
Popularity
8
Documentation
12
Boa
Maintenance
6
Quality
13
Community
9
Popularity
6
Documentation
9
boa_unicode
Maintenance
8
Quality
15
Community
8
Popularity
6
Documentation
12
Technical Details
| boa_engine | Boa | boa_unicode | |
|---|---|---|---|
| Version | 0.21.0 | 0.13.1 | 0.16.1 |
| Stable (≥1.0) | ✗ No | ✗ No | ✗ No |
| License | Unlicense OR MIT | Unlicense/MIT | Unlicense/MIT |
| Dependencies | 74 | 23 | 1 |
| Crate Size | 837KB | 372KB | 13KB |
| Features | 17 | 4 | 0 |
| Yanked % | 0.0% | 0.0% | 0.0% |
| Edition | 2024 | 2018 | 2021 |
| MSRV | 1.88.0 | — | 1.66 |
| Owners | 3 (team) | 1 | 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.
- •⚠ Boa, boa_unicode have not been updated in over a year.