StreamBOX-LiveCD is a KNOPPIX-based boot CD which is specially designed to stream MP3s. It also includes some programs to stream in the Ogg Vorbis format, to cut audio, to view video and video streams, and to perform other similar tasks. It is intended to be used at smaller radio stations.
YConsole allows you to monitor and control the Y server in a GUI environment. It also features a set of windows including the YAudio window, YMixer window, and YPlayer window that allow you to control all aspects of the Y server. The YPlayer window allows you to play sound objects and control audio CDs.
XO Wave is a digital audio workstation designed to meet the needs of audio and video professionals, with a focus on CD mastering and audio for video work. XO Wave provides professional-grade capabilities for manipulating audio, with a familiar and elegant interface. It supports direct recording from any Core Audio device (ALSA/Jack/OSS on Linux), importing and exporting files in a variety of formats (including songs from iTunes playlists), CD burning, multi-track editing, support for many Audio Units, and QuickTime synchronization and export.
somaplayer is music player for MP3, Ogg, wav, audio CDs, MP3 streams, and Ogg streams. It is able to use the appropriate sound drivers or demons or to stream directly to an Icecast server (Icecast2 or SHOUTcast) or to encode in MP3 and Ogg Vorbis. It also acts as a sound daemon that is able to accept connections from other somaplayers or any other sound player (xmms, mpg123, and others) thanks to a special wrapper.
kamix is a mixer for KDE and ALSA, with more features than kmix (or at least with more features than kmix had when kamix was started). It supports channel splitting, levels storing/restoring, sync with external ALSA events, correct handling of "enumerated" elements, and selective item hiding/showing.
QRT is a track-based, real time sound mixing application built on the QT GUI library. It is script-based, but editing and processing events can be edited either in text or graphically. It supports any number of input soundfiles and allows up to 16 to sound at any given moment. It supports simple signal processing such as transposition and gain envelopes.
Znap is a small network audio mixing daemon. It can load streams supported by the fmod library (Ogg MP3, WAV, etc.) and mix them together. It can be controlled via TCP or XML-RPC. It supports playlists and has an SQLite backend. Future releases will provide scheduling capabilities, making it able to act like radio automation software.
The PKSampler is a live DJ tool. It is different from other "live DJ tools" in that it focuses on allowing the user to mix many samples at once. The focus is on a simple touchscreen interface that allows quick access to user-supplied loops and samples. The user interface is driven by Python and Qt, and uses 3d POV-ray images for widget animations.