1Password - 1Password can create strong, unique passwords for you, remember them, and restore them, all directly in your web browser.
Lastpass - LastPass is an online password manager and form filler that makes web browsing easier and more secure.
Passfindr - Passfindr is a web based premium Personal knowledge base, Password manager and Bookmark manager application to securely store passwords and other sensitive information in a virtual vault locked with individual master passwords.
Haven - Personal space security app, backed by Snowden
TiddlyRoam - An open source non-hierarchical notebook.
Avira Password Manager - Automatically logs you in to your online accounts. Generates strong, unique passwords and securely stores them. Checks for weak or reused passwords. Notifies you if an online account has been hacked.