Password Once - Don't save your password, save the way to generate it
Valt - Effortless security through visual memory
Password-Generator.xyz - Generate Random Strong Password Online
1Password - 1Password can create strong, unique passwords for you, remember them, and restore them, all directly in your web browser.
Getpass - A simple and clean password generator 🔐
Buttercup - Free and open source password manager for Windows/Mac/Linux