General

CampFire Guitar
An interesting way to learn how to play songs

Fx Audio Tools
An useful audiotools pack

Modem Spy
Voice recording tools for your modem

Volume Concierge
Adjust the volume of your PC automatically

MixVibes 3DEX
This is a real digital sound mixer!

Lyrics Plugin
Show the lyrics in Windows Media Player and WinAMP

Melody Player
Listen to melodies created with Harmony or Melody Assistant

OtsTurntables Free
Powerful mixer for MP3s and audio CDs

Traktor PRO
What if you could mix all your favourite songs?

CDRipper
Easily rip your audio Cds and search for their info

iArtwork
Find missing artwork for albums in iTunes

Lyrics Hunter
Would you like to have the lyrics of your favourite songs

Streamripper for Winamp
A Plugin to capture Audio from any Radio

KaraWinFree
Good karaoke app which supports multiformat

Freeplane
Design mind maps with all kinds of possibilities

TS-MIDI Editor
MIDI file editor

M-Grabadora
Small audio recorder for your computer's taskbar