Downloading Antenne 2.1 for Mac from the developer's website was possible 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 software lies within Audio & Video Tools, more precisely Streaming Media. This Mac app was originally created by Tamás Gál.
From the developer:
Antenne is a minimalistic player for the Antenne Bayern (a popular radio station in Germany/Bavaria) radio streams. You can access the following Antenne Bayern stations: Antenne Bayern (Live), Chillout, 80er Kulthits, Lovesongs, Rockantenne, Black Beatz, Classic Rock Live, Hits für Kids, Das Schlager-Karussel, Top 40, Soundgarage, Oldies but Goldies.
You may want to check out more software for Mac, such as Tune Buddy, iFreeTV or Dream Capture, which might be related to Antenne.