Decision Workspace
heraclitus-compiler vs boa_engine vs mech-syntax
Side-by-side comparison of Rust crates
45
heraclitus-compiler
stablev1.9.0
Compiler frontend for developing great programming languages
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.
61
mech-syntax
growingv0.3.1
A toolchain for compiling textual syntax into Mech blocks.
Core Metrics
| heraclitus-compiler | boa_engine | mech-syntax | |
|---|---|---|---|
| Health Score | 45 | 63 | 61 |
| Total Downloads | 70.0K | 2.4M | 52.4K |
| 30d Downloads | 2.6K | 267.5K | 417 |
| Dependents | 0 | 418 | 134 |
| Releases | 42 | 11 | 79 |
| Last Updated | 111d ago | 157d ago | 10d ago |
| Age | 3y 8m | 4y | 7y |
Health Breakdown
heraclitus-compiler
Maintenance
13
Quality
13
Community
3
Popularity
6
Documentation
10
boa_engine
Maintenance
12
Quality
13
Community
18
Popularity
8
Documentation
12
mech-syntax
Maintenance
18
Quality
10
Community
12
Popularity
6
Documentation
15
Technical Details
| heraclitus-compiler | boa_engine | mech-syntax | |
|---|---|---|---|
| Version | 1.9.0 | 0.21.0 | 0.3.1 |
| Stable (≥1.0) | ✓ Yes | ✗ No | ✗ No |
| License | MIT | Unlicense OR MIT | Apache-2.0 |
| Dependencies | 4 | 74 | 12 |
| Crate Size | 3.7MB | 837KB | 114KB |
| Features | 1 | 17 | 81 |
| Yanked % | 14.3% | 0.0% | 31.6% |
| Edition | 2021 | 2024 | 2024 |
| MSRV | — | 1.88.0 | 1.96 |
| 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.
- •boa_engine, mech-syntax are pre-1.0 — API may change.