powerphotos

Install command: 
brew install --cask powerphotos

Name: PowerPhotos

Tool to organise photo libraries

https://www.fatcatsoftware.com/powerphotos/

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

Cask code: powerphotos.rb on GitHub

Current version: 3.0.7

Current version requires: macOS >= 10.11

Versions:

Apple Silicon big sur 2.1.8
Intel big sur 2.1.8
catalina 1.9.12
mojave 1.8.5
high sierra 1.6.4
sierra 1.4.2
el capitan 1.2.3

Analytics:

Installs (30 days)
powerphotos 30
Installs (90 days)
powerphotos 99
Installs (365 days)
powerphotos 468
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