Audio editor for recording, slicing, and mixing audio. Site includes help, downloads, and developer information. (C++) [Cross-platform]

Music player and manager with support for cover art, last.fm integration, and QtScript plugins. Site includes forum, downloads, help and support, and developer information. [Cross-platform]

A patent-free lossless audio codec with utilities for editing meta-data. Site includes utility downloads, comparison with other codecs, and links to things that use FLAC. [Cross-platform]

Music player which integrates with online content via plugins. Site contains project news, download, add-ons directory, help, and how to contribute. (C++) [Cross-platform]

A programmer's HTML editor written using GTK, designed to save the experienced webmaster some keystrokes. (C) [GNU/Linux, Unix]

Lightweight but powerful text editor of the GNOME project.

Open Source, web-based audio file manager and player. Site includes bug-tracker, support wiki, downloads, and a live demo.(MySQL and PHP)

A multichannel digital audio workstation. (C++) [GNU/Linux, Mac OS X]

Audio player with support for many formats, and it has support for third-party plugins. Site includes screenshots, developer information, feature list, and downloads. [Linux]

Tracker meant to clone the features of Jeskola Buzz. Site includes screenshots, downloads, and development information. [Linux]

Open-source mp3 encoder meant as an educational tool. Site includes development information and project history. [Cross-platform]

Sound editor modeled after Emacs and can be customized and extended using either Guile, Ruby, or Forth. Site contains source code and a user manual. [Linux]

Lossy audio codec optimized for speech. Site contains comparison with other codecs, downloads, and a directory of software which uses Speex. [Cross-platform]

Contains information for musicians wishing to use Ubuntu-Linux as their Digital Audio Workstation.

An open source audio player for Linux and Win32, supports MP3, Ogg/Vorbis, WAV and Audio CD playback, SHOUTcast/Icecast HTTP streaming, RTP streaming, with a powerful music browser, theme support...

CSS editor featuring auto completion, syntax highlighting and syntax validation. (C, C++) [Linux]

An HTML/text editor using GTK+ and/or GNOME.

Editor for extensible, structured and WYSIWYG technical documents, which was both inspired by TeX and GNU Emacs. The site provides documentation, source and binary packages, a feedback section and...

Text editor for Unix, VMS, MSDOS, OS/2, BeOS, QNX, and Win9X/NT platforms. A macro language and modes for different editing tasks are available.

GUI-style plain-text editor for X-Windows systems. Features include syntax highlighting and C-style macro language.

A cross-platform gettext catalogs (.po files) editor. It aims to provide more convenient approach to editing catalogs than launching vi and editing the file by hand.

Windows programming editor with an integrated Hex viewer/editor.

Download, screenshots and documentation of a free source code editing component for Win32 and GTK and an editor based on this component.

Music score editor, sharing some of the same developers as NoteEdit. Site includes a wiki, downloads, feature list, bug tracker, and development information. (C++) [Cross-platform]

Audio player featuring playback of multiple formats, tags, and last.fm scrobbling. Site includes downloads, feature list, screenshots, forum, and development information. [Mac]

Media player which supports skins and plugins. Site includes downloads, plugins, skins, forum, and developer information. (C) [Windows]

Music player which supports album art fetching, Last.fm submission, and plugins. Site includes forum, downloads, screenshots, and themes. (Python) [Linux]

On-the-fly encoder for recording analog audio sources (i.e. line-in or microphone) directly to Ogg Vorbis/Wave/MP3, featuring auto-normalization and command line support. Site includes news,...

Drum-machine for creating patterns-based music. Site contains project news, downloads, example music, forum, and screenshots. [Linux]

Mp3 encoder which reads FLAC and Ogg Vorbis files. Site includes download for binaries, source code, and old versions. [Windows]

Audio workstation for creating digital music. Site includes demo songs, screenshots, downloads, a wiki, and user created songs. (C++) [Cross-platform]

Digital DJ software with features like parallel visual displays, beat estimation, beat matching, skins, and Equalizers. Site includes news, downloads, screenshots, and support information....

Now defunct MPEG-4 tools and broadcaster. Site contains screenshots and source-code. [Linux]

Music collaboration software for having realtime jam sessions over the Internet. Site includes description, software download (with source code), forum, and servers for collaboration. (C++)...

Audio player with support for many different file formats, last.fm, replay gain, and metadata editing. Site includes downloads, screenshots, and developer information. [Mac]

A web server for streaming music from iTunes over a network. Site includes downloads, forums, demonstration server, and project information. [Cross-platform]

Audio recording and editing suite with support for CD mastering and non-linear processing. Site includes screenshots, downloads, developer information, and forums. (C++) [Cross-platform]

Project information, previews, documentation, downloads and a plugins section for the multi-platform editor written in Python.

A folding text editor for programmers.

Clone of the Pico text editor with some enhancements. Available for Linux and DOS.

An editor with a small footprint, featuring extended regular expression search and replace a la emacs and vi and editing of binary files.

HTML Editor for GTK+/GNOME. It supports most of basic HTML. It features session management and preview using the GtkHTML widget.

An Emacs clone useful for small footprint installations (like on floppy disk) or quick editing sessions. Available are a description of the features, information about how to get Zile, links to...

A tracker written in Python, designed to be very similar to Jeskola Buzz. Site includes forum, screenshots, bug tracking and source-code download. [Linux]

Command line tool designed for multitrack audio processing which can be used for tasks like audio playback, recording and format conversions as well as mixing and signal recycling. Includes...

Mp3 streaming application for integration with websites. Site includes help and downloads. (PHP)

Provides Mp3 and Ogg Vorbis tags editing and file renaming functions. (Delphi) [Windows]

MP3 analysis tool that also includes file correction and tag editing. Site includes downloads, screenshots, user manual, and development information. (C++) [Linux, Windows]

Music composition and notation software. Site includes downloads, screenshots, manual, forum, and development information. [Cross-platform]

Application to manage lyrics, chords, lead sheets, overheads, and computer projection. Website includes additional packages such as song, background and language packs, documentation and a support...