Type something partial like and Raven Reader will fetch the feed and display the result. It also supports web search, so you don't have to enter the full URL of the site. A small pop-up appears, where you can paste a website's RSS feed URL. Click on the Add button at the top of the screen, or on the last item in the sidebar Subscriptions, you can also access this from the menubar. You don't need to register for an account to use the application. Raven's interface is clean and visually pleasing. The program's installer does not allow you to customize the location where you want to install the application to in fact it is a one-click silent installation.
Raven Reader is a cross-platform, open source RSS feed aggregator that supports podcasts.