Alpha is the first application built for App.net which demonstrates the App.net API. It is a web application built by the App.net team and is most users’ initial way to use their feed. You can view all the streams, send messages and upload photos. Alpha is also the best way to manage your App.net account settings.
For more options to view the App.net feed vist the App.net Directory to find mobile, web and desktop clients as well as some cool apps that have integrated with App.net.