OBS Studio - Free and open source software for video recording and live streaming for Mac, Windows and Linux.
VLC Media Player - VLC is a free and open source cross-platform multimedia player and framework.
Lightstream - Powerful, cloud-based live streaming studio.
AIMP - AIMP : Free Audio Player : Официальный сайт программы
XSplit - Live stream and record your content with ease & share it to streaming services like Twitch, YouTube, Facebook, Mixer, etc. Start your broadcast today.
foobar2000 - An advanced freeware audio player for the Windows platform.