1Password - 1Password can create strong, unique passwords for you, remember them, and restore them, all directly in your web browser.
OpenXPKI - OpenXPKI is a software stack that provides all necessary components to manage keys and certificates...
bitwarden - Bitwarden is a free and open source password management solution for individuals, teams, and business organizations.
Dogtag PKI - The Dogtag Certificate System is an enterprise-class open source Certificate Authority (CA).
Lastpass - LastPass is an online password manager and form filler that makes web browsing easier and more secure.
Vault by HashiCorp - Tool for managing secrets