Scripts to deal with RAW and JPG photos and metadata
The Photos/LRKeywordProject has the keyword lists from the Lightroom Keyword List Project http://lightroom-keyword-list-project.blogspot.com/?showComment=1388155972205 which aims to make an open version of a comprehensive Lightroom keywording system.
The script Photos/KeywordConverter can be used operate on these keyword lists transforming between the LRKWP format which encodes hierarchy information into the keyword names and the author's preferred format which does not.