Desktop Notification Application (mac)

The Desktop Agent (Mac) is a downloadable Mac application that will enable our Mac clients to install a custom application on the menubar which will notify the user of new messages in their inbox and also be able to click to compose a new message and also send a file attachement. Development Overview: 1. Build a desktop application that is supported for all of our clients 2. Create the same functionality we have in our existing desktop application for PC (available for download) 3. Create a seamless installation process for the user 4. Display our single-sign-on page for the user to login using their account credentials 4. Display a notification alert (growl + menu bar icon change) when there is a new unread message in their inbox 5. Allow the user to compose a new message with a one-click action from the menubar 6. Allow to user to compose and attach a file with a one-click action from the menubar We are open to using the [login to view URL] or the native Mac environment. Full specs will be provided to those that we feel are fit for the project. *****Please include examples of Mac Desktop application that you have built in the past.