VLC Media Player - VLC is a free and open source cross-platform multimedia player and framework.
Video Coach - Video Coach is a tool that helps users analyze and improve their sports activities by recording videos of training and practice.
AIMP - AIMP : Free Audio Player : Официальный сайт программы
PhysMo - PhysMo is an open-source (free!
foobar2000 - An advanced freeware audio player for the Windows platform.
LongoMatch - Real-time and post-recording sports video analysis software.