1Password - 1Password can create strong, unique passwords for you, remember them, and restore them, all directly in your web browser.
Passnip - Stop forgetting that f**king password.
Password-Generator.xyz - Generate Random Strong Password Online
Getpass - A simple and clean password generator 🔐
Buttercup - Free and open source password manager for Windows/Mac/Linux
Betterpass - Betterpass is the smarter way to turn text-based passwords into secure reusable ones.