The 1.1 version of JimmyStream for Mac was available to download on the developer's website when we last checked. We cannot confirm if there is a free download of this app available. The software lies within Audio & Video Tools, more precisely General.
This free Mac application is an intellectual property of Hardiyanto. According to the results of the Google Safe Browsing check, the developer's site is safe. Despite this, we recommend checking the downloaded files with any free antivirus software.
From the developer:
JimmyStream can help you broadcast live audio over the Internet, quite easily creating your own Internet radio station. Features Turn your Mac into a live broadcast server or Internet jukebox, and stream your MP3s anywhere in the world Turn your Mac into an Internet radio source client, streaming your MP3s to any Icecast server, including to free radio-hosting services such as Caster.