Streaks - The to-do list that helps you form good habits.
VLC Media Player - VLC is a free and open source cross-platform multimedia player and framework.
Taskful - Deadlines, meet your match.
foobar2000 - An advanced freeware audio player for the Windows platform.
ToDoList - Windows desktop application to stay on top of your daily tasks.
Winamp - Winamp is a media player that allows users to play multiple-file formats, arrange media in a varied file-management system, and play unique media with AAC encoding.