updatest

Install command: 
brew install --cask updatest

Name: Updatest

Utility that shows the latest app updates

https://updatest.app/

Development: Pull requests

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

Cask code: updatest.rb on GitHub

Current version: 2.1.1

Requirements: macOS >= 15

Analytics:

Installs (30 days)
updatest 26
Installs (90 days)
updatest 26
Installs (365 days)
updatest 26