Spext - Convert your speech, podcasts and videos to text.
oTranscribe - A free web app to take the pain out of transcribing recorded media
Bullet - Share captioned video snippets of podcasts from any app
Listen N Write - Listen N Write can be used to play and transcribe ordinary audio and video recordings (WAV, MP3...
Journalistic - A simple, yet powerful micro journaling app
Sonix - Automatically convert audio & video to text in minutes