If you need long-term free use, switch to 3D Slicer or Weasis rather than risking a fake RadiAnt code. Final Review Summary | Aspect | Rating (0–5) | Notes | |--------|--------------|-------| | Official RadiAnt activation (paid) | ⭐⭐⭐⭐⭐ | Fast, secure, lifetime license, excellent tool for radiology. | | Free trial (no code) | ⭐⭐⭐⭐ | Fully functional for 30 days. Great for short-term use. | | Third-party “free codes” | ⭐ (or 0) | Almost certainly malware or scam. Do not use. |

| Software | Free Tier | Pros | Cons | |----------|-----------|------|------| | | 30-day trial | Fast, intuitive, MPR, MIP | Limited time | | 3D Slicer | Open source (free forever) | Advanced 3D, segmentation | Steeper learning curve | | Horos (macOS) | Free (GPL) | Good for basic viewing | No longer actively updated | | Weasis | Free (open source) | Web-based, DICOM web support | Slower for large studies |

| Feature | Free Trial | Paid License | |--------|-----------|---------------| | Watermark | No | No | | Time limit | 30 days | Lifetime (per major version) | | Support | Basic | Priority email | | Price | $0 | ~$149–$599 (depending on version/seat) |