Azavea Releases Source Code for OpenDataPhilly।org To Enable Municipalities and Open Government Groups to Create Their Own Open Data - Written using Django, Python and PostgreSQL, Open Data Catalog is intended to display information and links to publicly available data in an easily searchable format। The code also includes options for data owners to submit datasets for consideration, for registered public users to request datasets that do not currently exist, and vote on their favorites। Open Data Catalog is free for anyone or any agency to use.