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Ardour Ardour is a professional multitrack/multichannel audio recorder and DAW for GNU/Linux, using ALSA-supported audio interfaces. It supports up to 32 bit samples, 24+ channels at up to 96kHz, full MMC control, a non-destructive, non-linear editor, and LADSPA plugins.

Audacity Audacity is a cross-platform multitrack audio editor that lets you record sounds directly or import Ogg, WAV, AIFF, AU, IRCAM, or MP3 files. It features a few simple effects, all of the editing features you should need, and unlimited undo. The GUI is built with wxWidgets and the audio I/O currently uses PortAudio.

Audio-Convert audio convert is a script that converts between WAV, Ogg, MP3, MPC, FLAC, APE, and WMA files. It has an easy-to-use interface that makes it possible to fill in the tags for a few formats and choose the quality of compression. The script was initially designed for the Nautilus file browser and can be easily installed into Nautilus by copying it to the nautilus-scripts directory. You can then right-click on files and choose "audio-convert" from the "scripts" menu. The script is also known to work on rox or directly from a shell.

Delvj DelVj is a tool that provides real-time 3D composition and algorithmic video composition in which the computer composes 3D forms as indicated by the user as a virtual extension of the users mind. It can be given indications for the objects, videos, and effects, and the computer can do the rest. It features a GTK+ interface that runs puredata in the background, controls xmms, and allows tweaking of all patch parameters, recording of videos, and streaming to an Icecast server.

Dirogg dirogg is a script to migrate your entire music collection to the Ogg Vorbis format. It's a recursive script, meaning that you run it from the top level of your music directories, and it will automatically recurse and convert all MP3 files to Ogg.

Ecasound 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. Ecasound 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.

FLAC The FLAC project consists of:

• the stream format
• reference encoders and decoders in library form
• flac, a command-line program to encode and decode FLAC files
• metaflac, a command-line metadata editor for FLAC files
• input plugins for various music players

FLAC has recently joined the Xiph project, which produces other free codecs such as speex and Ogg Vorbis.

Flac-jacket 'flac-jacket' uses raw audio files (raw files are created from data streams) as the source. Based on the filename format, it first creates lossless audio files, using FLAC, and optionally removes the source files if conversion was successful. It then creates a new html page with links to all new and existing .flac files. The html page is regenerated each run, so the listing is somewhat dynamic: you needn't edit the html page just because you removed or renamed a FLAC audio file or altered an artist directory.

GNU Songanizer Songanizer is a script to organize a directory containing Ogg and MP3 files. The script accepts a list of directories in which the real Ogg and MP3 files reside. It then reads information like author, album, and genre from the files' ID3 tags and creates parallel directory structures which just contain symbolic links real files. The goal is to create virtual directory structures which give different views of the data without having redundant copies of the files themselves.

GNU Waveform Viewer Gwave is a waveform viewer. Its purpose is for viewing analog data, such as the output from Spice-like simulations. Gwave can read binary or ascii files written by HSpice from transient, AC, or Sweep analyses, "raw" files written by Spice2, Spice3, or ngspice, and transient analysis files from the CAzM simulator. It can also read a generic tabular ASCII format suitable for use with ACS or homegrown tools. It supports multiple "panels" (graticlules) with multiple variables displayed in each. Two vertical-bar cursors are available for time-difference measurements. Multiple files can be loaded, for comparing the results of several simulations.

Gnac (GNome Audio Converter) Gnac is an easy to use audio conversion program for the Gnome desktop. It is designed to be powerful but simple! It provides easy audio files conversion between all GStreamer supported audio formats.

Gnusound 'GNUsound' is a sound editor for Linux/x86. It supports multiple tracks, multiple outputs, and 8, 16, or 24/32 bit samples. It can read a number of audio formats through libaudiofile, and saves them as WAV files. It also supports many high-quality audio effects through the LADSPA plugin architecture (see http://www.ladspa.org).

Jokosher Jokosher is a simple and poweful multi-track studio. Jokosher provides a complete application for recording, editing, mixing and exporting audio, and has been specifically designed with usability in mind. The developers behind Jokosher have re-thought audio production at every level, and created something devilishly simple to use.

• Jokosher offers a strong featureset:
• Ease Of Use - Easy to use interface, designed from the ground up. Jokosher uses concepts and language familiar to musicians, and is a breeze to use.
• Editing - Simple editing with splitting, trimming and moving tools. Mixing Multi-track volume mixing with VU sliders.
• Audio - Import audio (Ogg Vorbis, MP3, FLAC, WAV and anything else supported by GStreamer) into your projects.
• Instruments - A range of instruments can be added to a project, and instruments can be renamed. Instruments can also be muted and soloed easily.
• Audio - Export to MP3, Ogg Vorbis, FLAC, WAV and anything else GStreamer supports.

Kamix 'kamix' is a mixer for KDE and ALSA, with more features than kmix (or at least with more 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.

Kwave 'Kwave' is a 24-bit sound editor that allows simple operations, such as cut, copy, and paste. Some more effect functions with little complexity (Simple Filtering, Delay) are also implemented. More sophisticated analysis functions (spectrograms, sonagrams, pitch determination) are underway or partially done.

MhWaveEdit mhWaveEdit is a program for playing, editing, and recording sound files. It supports .wav files and a few other formats. It can edit both large and small files, and has support for 8/16/24/32-bit signed and unsigned sample formats.

Music Library 'Music Library' is a music-on-demand system for phpGroupware. It searches recursively through a directory full of files for audio formats you specify and dumps their artist, album, and track names into a database. You can then browse, search, or listen over HTTP. It features custom playlists and comes with an MP3 renaming script to make administration easier.

Normalize 'normalize' is a tool for adjusting the volume of WAV files to a standard volume level. This is useful for things like creating mix CDs and mp3 databases, where different recording levels on different albums can cause the volume to vary greatly from song to song.

Perl Audio Converter Perl Audio Converter (PAC) is a tool for converting multiple audio types from one format to another. It supports MP2, MP3, Ogg Vorbis, FLAC, Shorten, Monkey Audio, FAAC (AAC/M4A/MP4), Musepack (MPC), Wavpack (WV), OptimFrog (OFR/OFS), TTA, LPAC, Kexis (KXS), AIFF, AC3, Lossless Audio (LA), BONK, AU, SND, RAW, VOC, SMP, RealAudio (RA/RAM), WAV, and WMA. It can also convert audio from the following video formats/extensions: RM, RV, ASF, DivX, MPG, MKV, MPEG, AVI, MOV, OGM, QT, VCD, VOB, and WMV. A CD ripping function with CDDB support, batch and playlist conversion, tag preservation for most supported formats, independent tag reading/writing, and extensions for Konqueror and amaroK are also provided.

Psychosynth The Psychosynth project aims to create an interactive modular soft-synth inspired by the ideas of the Reactable. We will try to provide a clean object oriented API to allow the creation of new innovative interfaces for the synthetizer and a 3D simulator of a Reactable-alike device with support for collaborative music creation over the internet. Our main goal is to create a free software alternative to allow newbies, developers and professionals explore new ways of making music. It is also important to build a comunity to ease the comunication between we, software devolopers, and electronic music makers, who can provide insightfull ideas on how to turn new experimental features into usefull and creative tools.