Good news. Starting with Ubuntu 13.10, Phabricator can legally be used by evil dictators, mad scientists, and toxic derivative creators.
The JSON implementation prohibiting evil (http://www.phoronix.com/scan.php?page=news_item&px=MTQ0MTY) was ripped out and replaced by the Evil-friendly PHP license: https://github.com/remicollet/pecl-json-c/blob/master/LICENSE