Decision Workspace
parsley-rs vs flexar vs chompy
Side-by-side comparison of Rust crates
43
parsley-rs
growingv0.20.4
My attempt at a Rust parsing and lexing library.
52
flexar
growingv1.2.6
An extremely flexible lexer/parser (get it?) for writing your own programming language
52
chompy
growingv0.4.0
A series of utilities used to create parsers
Core Metrics
| parsley-rs | flexar | chompy | |
|---|---|---|---|
| Health Score | 43 | 52 | 52 |
| Total Downloads | 45.2K | 40.7K | 6.3K |
| 30d Downloads | 0 | 0 | 0 |
| Dependents | 0 | 6 | 1 |
| Releases | 40 | 35 | 9 |
| Last Updated | 1392d ago | 889d ago | 12d ago |
| Age | 3y 11m | 2y 8m | 2y |
Health Breakdown
parsley-rs
Maintenance
7
Quality
17
Community
3
Popularity
6
Documentation
10
flexar
Maintenance
7
Quality
21
Community
8
Popularity
6
Documentation
10
chompy
Maintenance
17
Quality
14
Community
6
Popularity
5
Documentation
10
Technical Details
| parsley-rs | flexar | chompy | |
|---|---|---|---|
| Version | 0.20.4 | 1.2.6 | 0.4.0 |
| Stable (≥1.0) | ✗ No | ✓ Yes | ✗ No |
| License | MIT | MIT OR Apache-2.0 | MIT OR Apache-2.0 |
| Dependencies | 5 | 0 | 4 |
| Crate Size | 14KB | 20KB | 16KB |
| Features | 5 | 0 | 0 |
| Yanked % | 0.0% | 0.0% | 0.0% |
| Edition | 2021 | 2021 | 2024 |
| MSRV | — | — | — |
| Owners | 1 | 1 | 1 |
Links
Quick Verdict
- •flexar leads with a health score of 52/100, but none of the options score above 80.
- •parsley-rs has the most downloads (45.2K), suggesting wider adoption.
- •⚠ parsley-rs, flexar have not been updated in over a year.
- •parsley-rs, chompy are pre-1.0 — API may change.