Tricount - Manage and share expenses with friends
VLC Media Player - VLC is a free and open source cross-platform multimedia player and framework.
Kittysplit - The easiest way of sharing costs with a group of friends
AIMP - AIMP : Free Audio Player : Официальный сайт программы
SplittyPie - Create event, add users and their expenses.
foobar2000 - An advanced freeware audio player for the Windows platform.