The American Association of Electronic Voice Phenomena
The American Association of Electronic Voice Phenomena (AA-EVP) is a nonprofit educational association that is dedicated to the support of people who are interested in or who are studying Electronic Voice Phenomena (EVP) and Instrumental TransCommunication

Parasearch
Parasearch - where science and magic meet Parasearch was formed in December 1986 by David Taylor to investigate and research alleged paranormal phenomena in the West Midlands (including Warwickshire, Worcestershire and Shropshire). We aim to research and investigate the paranormal in a scientific and objective manner whilst maintaining the view that human beings and the universe have a transcendent essence that may reveal other realms of reality, and also that human consciousness has dimensions that extend beyond body and mind.

The Raymond Cass Foundation
The Raymond Cass Foundation - UK EVP Pioneer To share the knowledge and results of his EVP research brought by Raymond Cass. Also to further his experiements in todays world.

EVP Research Association United Kingdom
EVP Research Association United Kingdom. Formed in 2007, the association is a professional organisation that is committed to the study of Electronic Voice Phenomena (EVP)

The Association for the Scientific Study Of Anomalous Phenomena
The Association for the Scientific Study of Anomalous Phenomena (ASSAP) has been investigating the weird seriously (and the seriously weird) since 1981. Our main aims are paranormal research and education.

Audacity Software
The Free, Cross-Platform Sound Editor: Audacity® is free, open source software for recording and editing sounds. It is available for Mac OS X, Microsoft Windows, GNU/Linux, and other operating systems.