oTranscribe - A free web app to take the pain out of transcribing recorded media
EarMaster - Professional software for ear training and practical music theory on Windows and Mac.
Listen N Write - Listen N Write can be used to play and transcribe ordinary audio and video recordings (WAV, MP3...
GNU Solfege - GNU Solfege is free music education software.
Sonix - Automatically convert audio & video to text in minutes
Perfect Ear - A simple yet advanced application for improving your solfege skills.