DataGovPal is a redesign of Data.gov that adds a faceted search interface, additional search fields, a search API, and public discussion for each dataset. Uses the open-source Drupal platform.
With the recent release of OKFN's DataPkg for CKAN 0.7a it is as important as ever to get the latest version when installing. The source code is available from a mercurial repository and this is the best place to download from.
PubMed Central Open Access Subset XML Mirror with Web Interface
A script and web interface for mirroring XML of the PubMed Central Open Access Subset
Code: http://github.com/mchelen/pmc.oas.xml.mirror
Version 0.1: http://github.com/mchelen/pmc.oas.xml.mirror/tree/0.1
The PubMed Central FTP includes XML versions of every article in their Open Access Subset.