The latest indication of the haphazard way in which Healthcare.gov was developed is the uncredited use of a copyrighted web script for a data function used by the site, a violation of the licensing agreement for the software.
The script in question is called DataTables, a very long and complex piece of website software used for formatting and presenting data. DataTables was developed by a British company called SpryMedia which licenses the open-source software freely to anyone who complies with the licensing agreement.
... a cursory comparison of the two scripts removes any doubt that the source for the script used at Healthcare.gov is indeed the SpryMedia script. The Healthcare.gov version even retained easily identifiable comments by the script's author ...