OPML (Outline Processor Markup Language) is an XML format for outlines (defined as "a tree, where each node contains a set of named attributes with string...

can also import and export a blogroll from and to OPML; however, it cannot import Google Reader OPML at this time due to a known bug.[citation needed]...

of files between various programs. Many programs listed below support the OPML file format and the XML file format used by FreeMind.[citation needed] Compendium...

nested markup OPML - simple XML-based format designed for outlines, but also used for syndication feedlists OML - alternative to OPML RDF - (various...

UserLand's products, Manila and Radio UserLand, as well as Dave Winer's OPML Editor, all of which support the UserTalk scripting language. UserLand eventually...

weblogs." In 2000 Winer developed the Outline Processor Markup Language OPML, an XML format for outlines, which originally served as the native file format...

formats RSS and Atom and can import and export subscription lists in the OPML format. It also supports podcasting and synchronization with other news reading...

Inter-process communication Livemark Mashup Referencing RSS editor RSS tracking Streaming media Standard OPML RSS Advisory Board Usenet World Wide Web XBEL XOXO...

that can be integrated into larger programs, they allow users to aggregate OPML files, email services, documents, or feeds into one interface. Many customizable...

MultiMarkdown (MMD) and Markdown Extra (PHP Extra) variants OpenDocument (ODT) OPML Office Open XML: Microsoft Word variant Org-mode reStructuredText Textile...