Amnesia is a design-rich 'host-proof' web application that encrypts and remembers all sorts of personal information from passwords to private notes. Project now hosted at Google Code: https://code.google.com/p/amnesia-app/
deEncrypt is an HTML tool which encrypts arbitrary texts (e.g., password) using AES. It is ideal for use within a business where you have to remember tons of different passwords but not allowed to install any application to help you remember them.
Clipperz is a web based password manager. Local encryption within the browser guarantees that no one except you can read your data. A true zero-knowledge (or host-proof) web app!
Generate and retrieve passwords for different websites that you may register. Web based (php) for easy retrieval. Customizable with favorite user id, password length and key! Simple and safe password retriever out there! Please CHECK the Project Website.
STS is a web-based application that allows it's users to store text in various, self-defined sections. The text will be encrypted and stored in a single file. This will protect the data even in the case of a server hack.
Password.Manager is (going to be) an online web service which allows you to create some storage for all your passwords with only a single master password.