CKEditor - Real-time collaborative future-ready rich text editor
oTranscribe - A free web app to take the pain out of transcribing recorded media
TinyMCE - TinyMCE is a content editor that functions as a plug-in for Wordpress websites.
Listen N Write - Listen N Write can be used to play and transcribe ordinary audio and video recordings (WAV, MP3...
Quill - Powerful, API-driven rich text editor
Sonix - Automatically convert audio & video to text in minutes