The Transcribr Distribution delivers a site which is similar to the National Archives site.
The National Archives launched a Crowdsource Transcription website in January 2012 at http://transcribe.archives.gov. The site allows the public to contribute to transcriptions of historical documents, and helps make them more accessible to the public.
Each document is categorized as "Beginner", "Intermediate", or "Advanced", based on the level of effort believed to be needed to transcribe it. In addition to searching for documents, citizen archivists can browse by difficulty, year, and the status of transcription ("Not Yet Started," "Partially Transcribed," and "Completed").
This Drupal distribution was created to provide the custom Drupal pieces used at http://transcribe.archives.gov to individuals, and organizations who would like to create their own document transcription web site.
Sample site: http://transcribe.archives.gov