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]

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

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

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

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 documentation and links to third party graphical user interfa...

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]

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, screenshots, forum, and downloads. (C++) [Windows]

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]

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

Tracker designed as a drop-in replacement of Jeskola Buzz. Site includes downloads, forum, and screenshots. [Windows]