Download of RadioBrowserRemote 3.3 for Mac was on the developer's website when we last checked. We cannot confirm if there is a free download of this app available.
Please check the Mac app with an antivirus before launch as it is downloaded from the developer's website, and we cannot ensure that it is safe. The application lies within Audio & Video Tools, more precisely Streaming Media. The actual developer of this free software for Mac is Stoilas IT-Services.
From the developer:
RadioBrowser Remote is an application that lets you listen to radio stations playing in Safari. Therefore, you can play your favorite web radio in the background while doing other activities. You can choose from thousands of web radios all over the world and create your own playlists or bookmarks. You can quickly change the web radio from the Status Menu.
You may want to check out more Mac applications, such as RadioRec, CoverToaster or StreamViewer, which might be similar to RadioBrowserRemote.