xnapper

Install command: 
brew install --cask xnapper

Name: Xnapper

Screenshot tool

https://xnapper.com/

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

Cask code: xnapper.rb on GitHub

Current version: 1.17.1

Requirements: macOS >= 10.15

Analytics:

Installs (30 days)
xnapper 32
Installs (90 days)
xnapper 110
Installs (365 days)
xnapper 470