From Mitto Password Manager:
Mitto is safe & secure online password manager that works in any browser & makes using the Internet easier & more secure. Mitto has extensions for Firefox and Chrome & also supports other browsers via the Mitto Bookmarklet. What can Mitto do? Save the passwords to all of your sites. Log in to them by simply clicking a button. Access your many passwords from any computer. Organize your passwords with tags. Securely share your passwords with trusted friends. It is quick and easy, and it's free to sign up.