VP5 Plugin for Real - Allows you to play VP5 video files (or video coded with VP5) in RealPlayer

Amphiotik Enhancer ST - HRTF based 3D Audio system, which processes standard stereo audio signals

A true color music forthcoming. Visualization plugin for WinAmp

Volume Logic for RealPlayer makes the sound of RealPlayer better.

Mp3-S is a plug-in for Winamp that shows the song are you playing, in the Yahoo! Messenger status

DFX - Finally experience true high fidelity sound with RealPlayer / RealOne

DFX - Finally experience true high fidelity sound with Windows Media Player

Make the sound of RealPlayer/RealOne Player better and listen 3D sounds

One of the best consumer sound enhancement/improvement/dsp effects for music

Convert your mp3 files to wav and automatically normalize volume level.

Makes RealPlayer play OGG Vorbis and Theora

2xAV Allows you to change the speed of the audio and video player in RealPlayer

is a VSTi plug-in which can be used to create natural and synthetic Choir

Master Hammond B3 is a Virtual Hammond B3 VST plug-in for Windows VST 2.0 hosts

Surreal.FX - lets you see your music as 2D and 3D animations that move to the beat.