Decision Workspace
boolector vs libc vs z3-sys
Side-by-side comparison of Rust crates
46
boolector
growingv0.4.3
Safe high-level bindings for the Boolector SMT solver
74
libc
growingv0.2.183
Raw FFI bindings to platform libraries like libc.
72
z3-sys
growingv0.10.9
Low-level bindings for the Z3 SMT solver from Microsoft Research
Core Metrics
| boolector | libc | z3-sys | |
|---|---|---|---|
| Health Score | 46 | 74 | 72 |
| Total Downloads | 33.5K | 1.0B | 886.1K |
| 30d Downloads | 858 | 68.8M | 95.4K |
| Dependents | 108 | 120.3K | 124 |
| Releases | 9 | 199 | 34 |
| Last Updated | 1453d ago | 19d ago | 14d ago |
| Age | 6y 6m | 11y 2m | 10y 3m |
Health Breakdown
boolector
Maintenance
4
Quality
16
Community
9
Popularity
5
Documentation
12
libc
Maintenance
19
Quality
15
Community
20
Popularity
8
Documentation
12
z3-sys
Maintenance
17
Quality
17
Community
16
Popularity
7
Documentation
15
Technical Details
| boolector | libc | z3-sys | |
|---|---|---|---|
| Version | 0.4.3 | 0.2.183 | 0.10.9 |
| Stable (≥1.0) | ✗ No | ✗ No | ✗ No |
| License | MIT | MIT OR Apache-2.0 | MIT |
| Dependencies | 2 | 1 | 7 |
| Crate Size | 23KB | 817KB | 78KB |
| Features | 1 | 7 | 8 |
| Yanked % | 0.0% | 4.5% | 0.0% |
| Edition | 2018 | 2021 | 2024 |
| MSRV | — | 1.63 | 1.85.0 |
| Owners | 1 | 7 (team) | 5 |
Links
Quick Verdict
- •libc leads with a health score of 74/100, but none of the options score above 80.
- •libc is depended on by 120.3K crates — strongest ecosystem trust.
- •⚠ boolector has not been updated in over a year.