iVolume!

foobar2000 is an advanced freeware audio player for the Windows platform.

Easily play and manage your music and playlists with Groove. Add your songs to OneDrive, and Groove brings them to all your favorite devices. Want more ways to play? Get a Groove Music Pass and dive into artist-based radio, curated playlists, and one of the biggest music catalogs on the planet.

soundKonverter is a frontend to various audio converters.The key features are:Audio conversion.En-/decoding.Replay Gain.CD ripping.It is extendable by plugins and supports many backends.It supports reading and writing tags for many formats, so the tags are preserved when converting files.It comes with an Amarok script that allows you to easily transcode files when transfering to your media device.And it is available in English, German, French, Spanish, Russian, Polish and Brazilian Portuguese.

A free automatic mp3 volume normalizer. MP3Gain analyzes and adjusts mp3 files so that they have the same volume. There is no quality lost in the change because the program adjusts the mp3 file directly, without decoding and re-encoding. wxMP3val is a free front-end for the MP3gain.

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.

MP3 Normalizer improves the quality of MP3 files. It amplifies too quiet audio or decreases the volume of too loud files or their parts automatically. It also smoothes sound peaks and clicks in MP3 tracks. MP3 Normalizer can make voice records more hearable with the Special processing of voice feature.

Graphical user interface front end supporting MP3Gain engine which analyzes and losslessly adjusts mp3 files to a specified target volume. A complete re-creation (made in QT4) of the original MP3Gain GUI, however it can be run on more platforms.

Graphical User Interface (GUI) for MP3Gain, VorbisGain and AACGain (enables you to modify the loudness level of mp3, ogg, and mp4 files) / Frontend for MP3Gain.

QtGain is a simply frontend for MP3Gain, VorbisGain, AACGain and Metaflac which analyses and adjusts your media files so that they have the same volume without the need to reencode the files.

Kitten Player is a simple music player, based on foobar2000 functionality. It allows user to view, arrange and download tracks from YouTube.

Droidgain - A rather crude, but functional, port of MP3Gain to Android

AACGain is a modification to Glen Sawyer's excellent mp3gain program. It supports AAC (mp4/m4a/QuickTime) audio files in addtion to mp3 files. AACGain normalizes the volume of digital music files using the Replay Gain algorithm. It works by modifying the global_gain fields in the mp4 samples. Free-form metadata tags are added to the file to save undo information, making the normalization process reversible.AACGain uses the same command-line user interface as mp3gain.AACGain also integrates with iTunes using my iGain GUI.Windows download file is here: http://altosdesign.com/iGain/ »

MP3Gain Express is a basic port of MP3Gain to Mac OS X. It allows you to analyze or apply track gain to a list of MP3 files. Anyone who has used the Windows UI for MP3Gain should find this one familiar, as it was designed to look similar to that version.