OPEN? According to Code's article, OPEN only forces websites who willfully support online piracy, and requires an appeal process which (apparently) SOPA and PIPA did not contain.
“If the ITC investigation finds that a foreign registered website is ‘primarily’ and ‘willfully’ infringing on the IP rights of a U.S. rights holder, the commission would issue a cease and desist order that would compel payment processors (like Visa and Paypal) and online advertising providers to cease doing business with the foreign site in question. This would cut off financial incentives for this illegal activity and deter these unfair imports from reaching the U.S. market."
Google, Facebook, Twitter, and others are in support of OPEN.