foobar2000 - An advanced freeware audio player for the Windows platform.
Sononym - Finally, a sample browser that understands audio
VLC Media Player - VLC is a free and open source cross-platform multimedia player and framework.
Samplism - Feature-packed, audio asset manager for Mac.
PlayerPro - PlayerPro is a media Player for Android devices running 2.x. Features :
Soundly - Functional music for better sleep, focus and relaxation