pdf-over

Install command: 
brew install --cask pdf-over

Name: PDF-Over

Digitally sign PDFs with the Austrian Buergerkarte or ID Austria

https://technology.a-sit.at/pdf-over/

Cask JSON API: /api/cask/pdf-over.json

Cask code: pdf-over.rb on GitHub

Current version: 4.4.6.1

Current version requires: macOS >= 10.11

pdf-over requires Java 8+. You can install the latest version with:
    brew install --cask temurin

Versions:

Intel tahoe 4.4.6.1
sequoia 4.4.6.1
sonoma 4.4.6.1
ventura 4.4.6.1
monterey 4.4.6.1
big sur 4.4.6.1
catalina 4.4.6.1
mojave 4.4.6.1
high sierra 4.4.6.1
sierra 4.4.6.1
el capitan 4.4.6.1

Analytics:

Installs (30 days)
pdf-over 7
Installs (90 days)
pdf-over 20
Installs (365 days)
pdf-over 51