Convert xml/html to a more human readable/editable format (xmq/htmq) and back can also work with json. Includes a syntax highlighter and pretty printer, pager and can render to html and tex. Also supports ixml grammars for parsing any type of input.

Sony PlayStation Studios' Audio Standards Working Group - iXML Extension

A package for downloading, extracting, parsing, and processing data from SEC-EDGAR, a public online database of all documents filed with the USA's Securities and Exchange Commission.

Library for reading chunked media container files like RIFF / AIFF.

NineML.org website pages, see nineml/nineml

MacOS X Folder Action, to append Audio Role to wav file for "Final Cut Pro X".

This ruby gem provides a CLI in addition to an IXML class for use within your projects. Invisible XML (ixml) is a method for treating non-XML documents as if they were XML, enabling authors to write documents and data in a text format they prefer while providing XML for tasks that are best completed via XML processing techniques.

A tool for converting IETF ABNF grammars to Invisible XML