After months of inactivity the plugin has finally been removed from the WordPress plugins list.
But since I still make use of it (and it doesn’t seem to be broken yet) I decided to make it available here.
Since I use an edited version which makes use of the WP-ShowHide plugin in order to make Amazon Polly toggleable throughout my child theme I have also provided this version as well.
My version (to be used with my child theme & WP-ShowHide plugin):
If you find yourself interested in using my toggleable version of Amazon Polly these posts may interest you: