pass is a password manager inspired by the Unix philosophy. It has a command-line interface, and uses GnuPG for encryption and decryption of stored passwords.

To install pass:

sudo apt install pass

Create the password store for user@example.com:

pass init user@example.com

pass

To create a password for website example.com, user username and length 20:

pass generate example.com/username 20 -c

Retrieve password and copy it to the clipboard:

pass example.org/username -c