FlexiPDF
The GDPR-compliant alternative to Adobe Acrobat
You can subscribe to FlexiPDF or purchase it:
Subscription: FlexiPDF NX
You receive free service packs that not only fix errors, but also add new features and functions.
Purchase: FlexiPDF 2022
You receive free service packs that fix errors. New features and functions are available in new program versions, which you can purchase as an upgrade.