1Password - 1Password can create strong, unique passwords for you, remember them, and restore them, all directly in your web browser.
Valt - Effortless security through visual memory
Password-Generator.xyz - Generate Random Strong Password Online
Buttercup - Free and open source password manager for Windows/Mac/Linux
Passnip - Stop forgetting that f**king password.
Google Drive to Slack - Slack notifications whenever you work on Google Drive docs