Plone - Plone CMS: Open Source Content Management — Plone.org
AzuraCast - AzuraCast is a free and open-source self-hosted "web radio station in a box".
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.
RadioBOSS - RadioBOSS provides professional radio programming engineering and automation at a fraction of what...
Rundown Creator - Broadcast television rundown software
LibreTime - LibreTime is a community driven fork of SourceFabric's Airtime.