KeePass - KeePass is an open source password manager. Passwords can be stored in highly-encrypted databases, which can be unlocked with one master password or key file.
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.
Lastpass - LastPass is an online password manager and form filler that makes web browsing easier and more secure.
Axcrypt - AxCrypt - Password Protect Files With Strong Encryption. AxCrypt is the leading open source file encryption software for Windows.
Pastor - Pastor is a software for storing all your passwords, website logins, serial numbers, etc.
Microsoft BitLocker - BitLocker is a full disk encryption feature included with Windows Vista and later.