Create groups, clients, categories and add data to it.
KeyStore Explorer - KeyStore Explorer is an open source GUI replacement for the Java command-line utilities keytool and jarsigner. KeyStore Explorer presents their functionality, and more, via an intuitive graphical user interface.
1Password - 1Password can create strong, unique passwords for you, remember them, and restore them, all directly in your web browser.
EJBCA - EJBCA® is a PKI Certificate Authority software, built using Java (JEE) technology.
Lastpass - LastPass is an online password manager and form filler that makes web browsing easier and more secure.
OpenXPKI - OpenXPKI is a software stack that provides all necessary components to manage keys and certificates...
KeePass - KeePass is an open source password manager. Passwords can be stored in highly-encrypted databases, which can be unlocked with one master password or key file.