After the Deadline intelligent spelling checker open sourced
"We’re also announcing a jQuery API for After the Deadline. Now you can add an AtD check to a DIV or TEXTAREA with little effort," added Mudge. It's the same API that powers his companies Intense Database plug-in and is released under an MIT/LGPL license.
A demonstration of the software in action is available at polishmywriting.com. After the Deadline server software source code and documentation are available to download from open.afterthedeadline.com. After the Deadline is released under version 2 of the GNU General Public License (GPLv2).