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.
Speechnotes - Dictation Notepad - Free Online Speech Recognition Text Editor Web App for Chrome
Meludia - Listening exercises and to sharpen your ear and music theory skills