PassMan
A basic web-based single user password manager. I can't decide if I've been properly security concious, or if it's a terrible idea.
In the interests of honesty I must admit I no longer use it myself and instead use Bitwarden.
It works using a JavaScript AES encryption library so that the only place the password is available is in the HTML front-end. The password is always encrpyted when sent over the wire and stored in the database.
It uses a small MySQL database to store the password database.
Version 1.6 of it is available here. The latest version of the sources are available here.