VeraCrypt - VeraCrypt is a free open source disk encryption software for Windows, Mac OSX and Linux.
Mercury - Mercury is banking* for startups
Kleopatra - Kleopatra is a certificate manager and GUI for GnuPG.
Brex - The first corporate card for startups
Windows BitLocker - This topic provides a high-level overview of BitLocker, including a list of system requirements, practical applications, and deprecated features.
Qonto - The neobank for SMEs and freelancers