Dictation.io is a good tool to add to yesterday's list of free tools for dictating notes. On Dictation.io you can simply click "start dictation" then start having your voice transcribed into a text document. No registration is required in order to use Dictation.io. More than two dozen languages are support on Dictation.io. The video embedded below provides a demonstration of Dictation.io.
Applications for Education
Dictation.io doesn't require students to register in order to use it. It also supports more than two dozen languages. Those two aspects of Dictation.io make it accessible to students who don't have Google Docs accounts and to those who don't speak English as their first language.