GMG colorProof 5.3 was available to download from the developer's website when we last checked. We cannot confirm if there is a free download of this software available. The actual developer of the software is GMG.
GMG colorProof lies within Photo & Graphics Tools, more precisely Viewers & Editors. According to the results of the Google Safe Browsing check, the developer's site is safe. Despite this, we recommend checking the downloaded files with any free antivirus software. The most popular versions of the tool 5.3, 5.0 and 4.6. The most frequent installer filenames for the program are: ColorPrint_NT.exe, CP_ProfileEditor.exe, CP_SpotColorEditor.exe and gmg.exe etc.
From the developer:
GMG ColorProof established itself in many countries as the most professional software solution for producing digital contract proofs. The core element is the 4-D color-transformation engine that assures the highest possible quality and production reliability.
You may want to check out more software, such as Simple Slide Show, Flash MX or Batch JPEG Rotator, which might be similar to GMG colorProof.