Decision Workspace
merc_syntax vs html5ever vs tree-sitter
Side-by-side comparison of Rust crates
40
merc_syntax
experimentalv1.0.0
Provides an AST and Pest grammar for the mCRL2 specification language.
74
html5ever
growingv0.39.0
High-performance browser-grade HTML5 parser
73
tree-sitter
growingv0.26.7
Rust bindings to the Tree-sitter parsing library
Core Metrics
| merc_syntax | html5ever | tree-sitter | |
|---|---|---|---|
| Health Score | 40 | 74 | 73 |
| Total Downloads | 75 | 50.1M | 16.1M |
| 30d Downloads | 30 | 5.4M | 2.3M |
| Dependents | 1 | 3.3K | 10.1K |
| Releases | 1 | 75 | 74 |
| Last Updated | 90d ago | 14d ago | 13d ago |
| Age | 3m | 10y 9m | 7y 10m |
Health Breakdown
merc_syntax
Maintenance
8
Quality
15
Community
5
Popularity
2
Documentation
10
html5ever
Maintenance
18
Quality
13
Community
20
Popularity
8
Documentation
15
tree-sitter
Maintenance
18
Quality
13
Community
19
Popularity
8
Documentation
15
Technical Details
| merc_syntax | html5ever | tree-sitter | |
|---|---|---|---|
| Version | 1.0.0 | 0.39.0 | 0.26.7 |
| Stable (≥1.0) | ✓ Yes | ✗ No | ✗ No |
| License | BSL-1.0 | MIT OR Apache-2.0 | MIT |
| Dependencies | 9 | 4 | 8 |
| Crate Size | 39KB | 82KB | 197KB |
| Features | 0 | 2 | 3 |
| Yanked % | 0.0% | 6.7% | 1.4% |
| Edition | 2024 | 2021 | 2021 |
| MSRV | 1.85.0 | 1.71.0 | 1.77 |
| Owners | 1 | 6 (team) | 3 (team) |
Links
Quick Verdict
- •html5ever leads with a health score of 74/100, but none of the options score above 80.
- •tree-sitter is depended on by 10.1K crates — strongest ecosystem trust.
- •html5ever, tree-sitter are pre-1.0 — API may change.