stereo mix

Mix Splitter tool for splitting WAV file into smaller ones

Stereo Tool is a free Winamp plugin that can be used to manipulate sounds.

Mix-FX Flash animations and Flash buttons builder

Mix letters speed reading training

A virtual webcam based on two real webcams to create 3D camera, 12 mixing modes.

Separate full mix tracks into individual, adjustable, and deeply detailed notes and percussion.

Format USB flash drive, make it compatible with car stereo for music and video.

Wide Stereo Chorus Effect Plug-in (RTAS, VST, Audio Unit, DirectX) (Freeware)

Analog Stereo Flanging Effect Plug-in (VST, AU, RTAS, DX) (Freeware)

The best of both worlds, in stereo!