drx: OPML

OPML (Outline Processor Markup Language) is a simple XML language for describing arbitrary lists. It is used primarily for exchanging RSS feeds (blogrolls), although it is also used for hierarchical tree structures (directories) and FOAF lists.

Share Your OPML - May 3, 2005

OPML is a file format that can be used to exchange subscription lists between programs that read RSS files, such as feed readers and aggregators.
http://loadaveragezero.com/app/drx/Data_Formats/Markup_Languages/XML/OPML#manila:feeds