Downloading AudioFileHandler 2.9.2 from our website was free. The software lies within Multimedia Tools, more precisely Codecs. The actual developer of the program is Rolf Zlotos.
From the developer:
AudioFileHandler enables you to administer and change audio files and their tags,create and administer play lists,show the songtext synchronized to the played song, create links between audio files, text files, pictures, videos, or any other file types and with that put those files into a memorable context.
You may want to check out more software, such as SecureJet Driver Plugin, SpatialVerb VST or eMedia Bass Method Vol. 1, which might be similar to AudioFileHandler.