is a full-fledged music playback application, similar in look and feel to iTunes, but it supports audio files that iTunes doesn't. It can read and play the contents of your iTunes library, as well as FLAC, MP3, AAC, Ogg Vorbis, WAV, AIFF, and Musepack audio files.

is a Pandora Radio client that you can control using the media keys (previous track, play/pause, next track) on your keyboard or, if you prefer, custom keyboard shortcuts.

ensures that your Mac's external speakers stay muted, which is especially helpful when working in a quiet environment.

is a menu-bar utility for quickly popping open a live view from your Mac's built-in camera--perfect for keeping an eye on who might be sneaking up behind you.

lets you schedule playback of iTunes playlists. The app works with regular, Smart, and Genius playlists.