After the Deadline now Open Source
ma.tt/2009/10/atd-now-os
From the page
Saved with the link. Notes from 2007 to 2016 are mostly the page's own words, so this is probably an excerpt.
After the Deadline, the intelligent spell- and grammar-checking service Automattic acquired a few months ago, is releasing its core technology under the GPL. There’s also a new jQuery API that makes it easy to integrate with any textarea. Ostatic writes about it here.