Decision Workspace
caramel-client vs boring-sys vs rustls-platform-verifier
Side-by-side comparison of Rust crates
40
caramel-client
growingv1.0.0
A caramel client, to generate keys, requests and fetch updated certificates from a caramel server
70
boring-sys
stablev5.0.2
FFI bindings to BoringSSL
65
rustls-platform-verifier
growingv0.6.2
rustls-platform-verifier supports verifying TLS certificates in rustls with the operating system verifier
Core Metrics
| caramel-client | boring-sys | rustls-platform-verifier | |
|---|---|---|---|
| Health Score | 40 | 70 | 65 |
| Total Downloads | 3.2K | 4.2M | 35.4M |
| 30d Downloads | 4 | 272.0K | 8.2M |
| Dependents | 0 | 142 | 1.1K |
| Releases | 2 | 53 | 17 |
| Last Updated | 2037d ago | 38d ago | 156d ago |
| Age | 5y 7m | 5y 4m | 2y 2m |
Health Breakdown
caramel-client
Maintenance
3
Quality
18
Community
6
Popularity
4
Documentation
9
boring-sys
Maintenance
17
Quality
13
Community
17
Popularity
8
Documentation
15
rustls-platform-verifier
Maintenance
15
Quality
14
Community
16
Popularity
8
Documentation
12
Technical Details
| caramel-client | boring-sys | rustls-platform-verifier | |
|---|---|---|---|
| Version | 1.0.0 | 5.0.2 | 0.6.2 |
| Stable (≥1.0) | ✓ Yes | ✓ Yes | ✗ No |
| License | MIT OR Apache-2.0 | MIT | MIT OR Apache-2.0 |
| Dependencies | 10 | 4 | 21 |
| Crate Size | 42KB | 5.2MB | 59KB |
| Features | 0 | 4 | 4 |
| Yanked % | 0.0% | 13.2% | 0.0% |
| Edition | 2018 | 2021 | 2021 |
| MSRV | — | 1.85 | 1.71.0 |
| Owners | 1 | 5 (team) | 3 (team) |
Links
Quick Verdict
- •boring-sys leads with a health score of 70/100, but none of the options score above 80.
- •rustls-platform-verifier has the most downloads (35.4M), suggesting wider adoption.
- •rustls-platform-verifier is depended on by 1.1K crates — strongest ecosystem trust.
- •⚠ caramel-client has not been updated in over a year.
- •rustls-platform-verifier is pre-1.0 — API may change.