GnuPG is developed by Werner Koch that's German, there are a lot of German startups that work on PGP too (e.g. https://www.cotech.de https://www.cotech.de). I

GnuPG is developed by Werner Koch that's German, there are a lot of German startups that work on PGP too (e.g. https://www.cotech.de https://www.cotech.de). I also used PGP to communicate with customers from Germany but it's not that every German customer of mine uses it.