Decision Workspace
challenge vs powchallenge_server vs pow-captcha-core
Side-by-side comparison of Rust crates
47
challenge
experimentalv0.1.0
A lightweight CLI for ALTCHA Proof-of-Work v2 challenges.
42
powchallenge_server
experimentalv1.0.3
Server validation library for the POW Captcha ecosystem.
40
pow-captcha-core
experimentalv0.2.2
A simple, lightweight, and dependency-free Proof-of-Work (PoW) CAPTCHA library.
Core Metrics
| challenge | powchallenge_server | pow-captcha-core | |
|---|---|---|---|
| Health Score | 47 | 42 | 40 |
| Total Downloads | 16 | 36 | 1.0K |
| 30d Downloads | 0 | 0 | 0 |
| Dependents | 0 | 0 | 0 |
| Releases | 1 | 2 | 3 |
| Last Updated | 30d ago | 127d ago | 327d ago |
| Age | 1m | 4m | 10m |
Health Breakdown
challenge
Maintenance
11
Quality
14
Community
6
Popularity
1
Documentation
15
powchallenge_server
Maintenance
11
Quality
16
Community
3
Popularity
2
Documentation
10
pow-captcha-core
Maintenance
9
Quality
14
Community
3
Popularity
4
Documentation
10
Technical Details
| challenge | powchallenge_server | pow-captcha-core | |
|---|---|---|---|
| Version | 0.1.0 | 1.0.3 | 0.2.2 |
| Stable (≥1.0) | ✗ No | ✓ Yes | ✗ No |
| License | MIT | MIT | MIT |
| Dependencies | 8 | 16 | 3 |
| Crate Size | 18KB | 20KB | 5KB |
| Features | 3 | 2 | 0 |
| Yanked % | 0.0% | 0.0% | 0.0% |
| Edition | 2024 | 2021 | 2024 |
| MSRV | 1.96 | — | — |
| Owners | 1 | 1 | 1 |
Links
Quick Verdict
- •challenge leads with a health score of 47/100, but none of the options score above 80.
- •pow-captcha-core has the most downloads (1.0K), suggesting wider adoption.
- •challenge, pow-captcha-core are pre-1.0 — API may change.