oTranscribe - A free web app to take the pain out of transcribing recorded media
VoiceWalker - VoiceWalker helps you transcribe audio or video recordings.
Listen N Write - Listen N Write can be used to play and transcribe ordinary audio and video recordings (WAV, MP3...
pmTrans - Cross-platform and portable software for interview transcriptions
Speechnotes - Dictation Notepad - Free Online Speech Recognition Text Editor Web App for Chrome
Sonix - Automatically convert audio & video to text in minutes