picview

Install command: 
brew install --cask picview

Name: PicView

Picture viewer

https://picview.org/

Cask JSON API: /api/cask/picview.json

Cask code: picview.rb on GitHub

Current version: 4.1.0

Requirements: macOS >= 10.15

Versions:

Intel tahoe 4.1.0
sequoia 4.1.0
sonoma 4.1.0
ventura 4.1.0
monterey 4.1.0
big sur 4.1.0
catalina 4.1.0

Analytics:

Installs (30 days)
picview 88
Installs (90 days)
picview 285
Installs (365 days)
picview 429