Video Editing

OBS Studio

OBS Studio for recording webcam videos along with screen sharing

Olive

A free non-linear video editor aiming to provide a fully-featured

Olive is included in rpmfusion repo and can be installed on Fedora using:

yum install olive

Shotcut

Shotcut is a free and open-source cross-platform video editing application for Windows, OS X, and Linux.

Audio Broadcasting / Radio

Check out LIQUIDSOAP