Ecasound is a software package designed for multitrack audio processing. It can be used for simple tasks like audio playback, recording, and format conversions, as well as for multitrack effect processing, mixing, recording and signal recycling. It supports a wide range of audio inputs, outputs, and effect algorithms. Effects and audio objects can be combined in various ways, and their parameters can be controlled by operator objects like oscillators and MIDI-CCs. A versatile console-mode user interface is included in the package.
GImageView is a GTK+ based image viewer. It supports tabbed browsing, thumbnail table views, directory tree views, drag and drop, reading the thumbnail cache of other famous image viewers, and a flexible user interface. It also support movies using the Xine library and MPlayer, and supports images in compressed archive formats like tar.gz, zip, and lha.
XMMS2 is a redesign of the XMMS music player. It features a client-server model, allowing multiple (even simultaneous!) user interfaces, both textual and graphical. All common audio formats are supported using plugins. On top of this, there is a flexible media library to organize your music.
Musicextras is a program for automatically retrieving extra information for songs. Currently it retrieves lyrics, album covers, artist images, and more. It was designed to make it easy to add other functionality. Information is obtained using plugins that parse Web page data. An example for having XMMS automatically load information for the currently playing MP3 is included.
Canorus is a cross-platform music score editor. It supports an unlimited number and length of staffs, polyphony, MIDI playback of written notes, chord markings, lyrics, and a number of import and export filters to many formats like MIDI, MusicXML, ABC Music, MUP, PMX, MusiXTeX, and LilyPond. It features multiple viewports of the same score, scripting support, score source view, and a fast and intuitive UI. It is based on Qt4, uses CMake as a project management tool, swig for scripting/macros integration (primary script languages are Ruby and Python), and the cross platform rtmidi library for MIDI playback. It is the official successor to NoteEdit.
Chord Explorer is very simple and lightweight program to explore guitar chords. Unlike some other solutions, it shows not only finger positions for particular chords, but also full information including notes forming the chord and its positions on the fretboard, thus allowing easy chord modification to fit user needs.