AzuraCast - AzuraCast is a free and open-source self-hosted "web radio station in a box".
Plone - Plone CMS: Open Source Content Management — Plone.org
Centova Cast - Centova Cast is the world's most advanced Internet radio stream hosting control panel.
TinkerList - A unified online collaborative platform for TV and Radio creation. Increase you margin up to 25%. Work and manage remotely. Automate and optimise your show.
SAM Broadcaster - SAM Broadcaster is a professional computer-based internet radio broadcasting solution.
Rundown Creator - Broadcast television rundown software