autofirma

Install command: 
brew install --cask autofirma

Name: AutoFirma

Digital signature editor and validator

https://firmaelectronica.gob.es/Home/Descargas.htm

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

Cask code: autofirma.rb on GitHub

Current version: 1.8.4

Current version requires: macOS >= 10.11

Versions:

Intel sequoia 1.8.4
sonoma 1.8.4
ventura 1.8.4
monterey 1.8.4
big sur 1.8.4
catalina 1.8.4
mojave 1.8.4
high sierra 1.8.4
sierra 1.8.4
el capitan 1.8.4

Analytics:

Installs (30 days)
autofirma 35
Installs (90 days)
autofirma 91
Installs (365 days)
autofirma 321
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