KeePassXC - KeePass Cross-Platform Community Edition - A community maintained fork of the popular KeePassX...
Cryptomator - When it comes to saving your files on a cloud server, it is important to ensure the security of those files. Keeping your delicate files out of the wrong hands can save you a lot of time and hassle. Read more about Cryptomator.
Kleopatra - Kleopatra is a certificate manager and GUI for GnuPG.
Axcrypt - AxCrypt - Password Protect Files With Strong Encryption. AxCrypt is the leading open source file encryption software for Windows.
Seahorse - Front end for GnuPG.
Microsoft BitLocker - BitLocker is a full disk encryption feature included with Windows Vista and later.