IDTE ~ ID3 Tag Editor & Player


IDTE is a full featured tag editor for Windows which supports tagging of FLAC, APE, ID3V1.x/2.x, WMA, LYRICS, and VORBIS tags in audio files.

It also supports the playback of 40+ various lossy and lossless music formats such as FLAC, ALAC, OGG, APE, MP3 etc.

It can rename files based on the tag information, export tag information, create playlists, search for incomplete tags on Internet, fetch lyrics, fetch cover art, supports CUE sheets, can process multiple files at same time, allows for batch file processing, supports SFX, visualizations and more…

sourceforge.net/projects/idteid3tagedito

MidiQuickFix ~ MIDI Editor & Player


MidiQuickFix allows you to directly edit the events in a Midi file. It is intended to make it easy to find and fix problems, such as setting volume and pan values for a track, without the need for a complex Midi sequencing program.

midiquickfix

midiquickfix.sourceforge.net

Nulloy ~ Linux Audio Player


Features:

  • Most audio formats supported: MP3, FLAC, OGG, WMA, AIFF, etc.
  • Gapless playback
  • Tags & Cover Art support
  • Keyboard shortcuts

nulloy.com

TiMidity++ ~ Synthesizer & Player


TiMidity++ is a software synthesizer. It can play MIDI files by converting them into PCM waveform data; give it a MIDI data along with digital instrument data files, then it synthesizes them in real-time, and plays. It can not only play sounds, but also can save the generated waveforms into hard disks as various audio file formats.

TiMidity++ is a free software, distributed under the terms of GNU general public license.

Features:

  • Plays MIDI files without any external MIDI instruments at all
  • Understands SMF, MOD, RCP/R36/G18/G36, MFI
  • Converts MIDI files into various audio file formats: .wav, .au, .aiff, .ogg and so on
  • Uses Gravis Ultrasound compatible patch files and/or SoundFonts as the voice data
  • Displays information about the music that is now playing
  • Various user interfaces: ncurses, gtk, Win32-GUI, and others
  • Plays remote MIDI files over the network
  • Plays MIDI files in archive files
  • Displays sound spectrogram for the playing music
  • Trace playing
timidity.sourceforge.net
sourceforge.net/projects/timidity