After the Deadline uses artificial intelligence to check spelling, style, and grammar in WordPress.
After the Deadline (including the backend) is open source. You can get the GPL server code at http://open.afterthedeadline.com. LGPL front-end resources are available on the AtD Developer Resources page.
Yes. You no longer need an API key either. Just enable it as a site-wide plugin. Settings are stored on a per user basis.
Yes! See our call for volunteers. Leave a comment on the same thread if you'd like us to add your language. Translation moderation help is appreciated too.
Great question! Visit After the Deadline support and ask.
If you want to ask your question publicly, visit the WordPress.org Plugins and Hacks Support Forum and write your message there. Tag your message with after-the-deadline to make sure I see it.