gosign

Install command: 
brew install --cask gosign

Name: GoSign Desktop

Digital signature and time stamp app

https://www.firma.infocert.it/prodotti/gosign/

Development: Pull requests

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

Cask code: gosign.rb on GitHub

Current version: 2.4.8

Requirements: macOS >= 10.15

Analytics:

Installs (30 days)
gosign 8
Installs (90 days)
gosign 24
Installs (365 days)
gosign 90