Manuskript - Open-source tool for writers.
VLC Media Player - VLC is a free and open source cross-platform multimedia player and framework.
BlankPage - Stay motivated to write, and finish your story
AIMP - AIMP : Free Audio Player : Официальный сайт программы
Novelize - Novelize is an online novel writing app designed to keep authors on track.
foobar2000 - An advanced freeware audio player for the Windows platform.