Decision Workspace
utf_symbols vs daachorse vs memchr
Side-by-side comparison of Rust crates
48
utf_symbols
stablev1.0.3
A quick tool to search symbols (any named character) in the utf table.
77
daachorse
stablev3.0.3
Daachorse: Double-Array Aho-Corasick
75
memchr
stablev2.8.3
Provides extremely fast (uses SIMD on x86_64, aarch64 and wasm32) routines for 1, 2 or 3 byte search and single substring search.
Core Metrics
| utf_symbols | daachorse | memchr | |
|---|---|---|---|
| Health Score | 48 | 77 | 75 |
| Total Downloads | 1.9K | 2.3M | 1.1B |
| 30d Downloads | 0 | 497.9K | 57.0M |
| Dependents | 0 | 575 | 24.7K |
| Releases | 4 | 19 | 47 |
| Last Updated | 404d ago | 1d ago | 6d ago |
| Age | 1y 1m | 4y 10m | 11y 1m |
Health Breakdown
utf_symbols
Maintenance
13
Quality
17
Community
4
Popularity
4
Documentation
10
daachorse
Maintenance
18
Quality
23
Community
16
Popularity
8
Documentation
12
memchr
Maintenance
18
Quality
22
Community
12
Popularity
8
Documentation
15
Technical Details
| utf_symbols | daachorse | memchr | |
|---|---|---|---|
| Version | 1.0.3 | 3.0.3 | 2.8.3 |
| Stable (≥1.0) | ✓ Yes | ✓ Yes | ✓ Yes |
| License | MIT | MIT OR Apache-2.0 | Unlicense OR MIT |
| Dependencies | 7 | 0 | 3 |
| Crate Size | 287KB | 94KB | 99KB |
| Features | 0 | 2 | 7 |
| Yanked % | 0.0% | 0.0% | 2.1% |
| Edition | 2024 | 2021 | 2021 |
| MSRV | — | 1.77 | 1.61 |
| Owners | 1 | 2 | 1 |
Links
Quick Verdict
- •daachorse leads with a health score of 77/100, but none of the options score above 80.
- •memchr has the most downloads (1.1B), suggesting wider adoption.
- •memchr is depended on by 24.7K crates — strongest ecosystem trust.
- •⚠ utf_symbols has not been updated in over a year.