Thank you, Jay, for the objective answer.

I'm not much familiar with any of these streaming servers.
I'll use a dedicated server running some Linux OS (Ubuntu 14, CentOs 7 etc.) to broadcast musics 24/7.

I'm looking for a software with the following characteristics:
1- SUPPORT
I don't intend ...

I need to install a web radio for a very small church.
For that I need to know the best software for this project.

This radio need to run random musics 24/7, but also has to have an intervention feature to allow operators to sing, speech and other things.

I know Airtime , Shoutcast and Icecast ...