Scala Digital Signage - The best digital signage to specifically tailor communication focused at a specific audience, location and time.
VLC Media Player - VLC is a free and open source cross-platform multimedia player and framework.
BroadSign - BroadSign is a tool that lets you spread your company's message across the city and across the world through the use of robust and dynamic digital marketing.
AIMP - AIMP : Free Audio Player : Официальный сайт программы
Yodeck - Yodeck enables you to design and schedule your digital signage on Raspberry Pi easily from the web, using your computer, tablet or smartphone.
foobar2000 - An advanced freeware audio player for the Windows platform.