AwesomeTTS makes it easy for language-learners and other students to add speech to their personal Anki card decks.
Once loaded into the Anki addons
directory, the AwesomeTTS add-on code
enables both on-demand playback and recording functionality.
AwesomeTTS is free and open-source software. The add-on code that runs within Anki is released under the GNU GPL v3.