This is the PRO edition of Polyraven Vision
Other publicly available editions and licenses: BASIC (FREE) , STUDIO
Which can be acquired from: https://www.polyraven.com/vision
Polyraven Vision is a high-performance image viewer and reference organizer for artists and creators. Tailored to load hi-res images quickly, and provide convenient, fast and comfortable navigation. The UI is built to be non-intrusive and give a lot of room for the images to breathe.