Decision Workspace
roka-qr vs lodepng vs png_pong
Side-by-side comparison of Rust crates
51
roka-qr
experimentalv0.1.1
Zero-dependency QR code encoder + decoder with built-in PNG/PBM I/O — pure Rust, no unsafe.
71
lodepng
stablev3.12.2
Reading and writing PNG files without system dependencies. Pure Rust port of LodePNG.
67
png_pong
growingv0.11.0
A pure Rust PNG/APNG encoder & decoder
Core Metrics
| roka-qr | lodepng | png_pong | |
|---|---|---|---|
| Health Score | 51 | 71 | 67 |
| Total Downloads | 39 | 2.6M | 9.8M |
| 30d Downloads | 0 | 89.5K | 162.8K |
| Dependents | 0 | 495 | 270 |
| Releases | 3 | 110 | 20 |
| Last Updated | 4d ago | 98d ago | 32d ago |
| Age | 4d | 11y 4m | 6y 10m |
Health Breakdown
roka-qr
Maintenance
14
Quality
14
Community
6
Popularity
2
Documentation
15
lodepng
Maintenance
14
Quality
16
Community
18
Popularity
8
Documentation
15
png_pong
Maintenance
14
Quality
15
Community
15
Popularity
8
Documentation
15
Technical Details
| roka-qr | lodepng | png_pong | |
|---|---|---|---|
| Version | 0.1.1 | 3.12.2 | 0.11.0 |
| Stable (≥1.0) | ✗ No | ✓ Yes | ✗ No |
| License | Apache-2.0 OR MIT | Zlib | (Apache-2.0 OR BSL-1.0 OR MIT) AND Zlib |
| Dependencies | 1 | 4 | 6 |
| Crate Size | 69KB | 53KB | 40KB |
| Features | 0 | 7 | 1 |
| Yanked % | 0.0% | 57.3% | 0.0% |
| Edition | 2024 | 2021 | 2024 |
| MSRV | 1.85 | 1.72 | 1.91 |
| Owners | 1 | 3 (team) | 2 |
Links
Quick Verdict
- •lodepng leads with a health score of 71/100, but none of the options score above 80.
- •png_pong has the most downloads (9.8M), suggesting wider adoption.
- •lodepng is depended on by 495 crates — strongest ecosystem trust.
- •roka-qr, png_pong are pre-1.0 — API may change.