Drupal is exploding in government. The value that Drupal core and its huge ecosystem of contributed modules offer government is of course at the heart of this increase in adoption. However a number of distributions targeted toward governemnt including OpenPublic in the US, WET in Canada, and aGov in Australia are leveraging building blocks of functionality into powerful systems that meet many government specific use cases.
There are many tools to help maintain code quality. Every platform or language, at least good ones, have lint or code sniffing tools to help clean up messy code, make sure items are properly documented, and keeps bugs from being introduced. Drupal has the Code Sniffer which is part of the Coder module.
The use of Drupal has exploded in municipal, state, and federal governments. On a federal level the most prominent example is the White House. Many top level federal agencies such as Energy.gov, Data.gov, and the EPA. An estimate from last March had 150 federal agencies adopting or soon to adopt Drupal. According to Acquia 24 percent of all .gov sites use Drupal.
We've recently released a module that creates a basic integration between Recline and Drupal. Users are able to upload delimited data files, currently CSV format, and visualize them in the various recline views.