VLC Media Player - VLC is a free and open source cross-platform multimedia player and framework.
Guitarix - Guitarix is a simple Linux Rock Guitar Amplifier for https://alternativeto.
AIMP - AIMP : Free Audio Player : Официальный сайт программы
GNUitar - GNUitar is guitar effects software that allows you to use your PC as guitar processor.
foobar2000 - An advanced freeware audio player for the Windows platform.
Ampire - State Space Modeled guitar amp/cab/stompbox simulator.