NetSpot - NetSpot is a free app for wireless site surveys, Wi-Fi analysis, and troubleshooting
X-Minus.pro - X-Minus.pro is an artificial intelligence-based tool that allows you to separate vocals from a song.
Vistumbler - Vistumbler is a wireless network scanner for Windows Vista and Windows 7. Features:
VocalRemover.org - Vocal Remover and Isolation. Separate voice from music out of a song free with powerful AI algorithms
Kismet - Kismet is an 802.11 layer2 wireless network detector, sniffer, and intrusion detection system.
KBIC Vocal Remover - Fast, simple voice removal online