XML Matters: The REXML library
XML processing in the Ruby programming language
Open Laszlo
xml meets flash
Rails RSS2.0 and Atom1.0 feed templates
w3schools: XPath Syntax
good reference for XPath
gotapi
online APIs for a range of languages and formats
OASIS OpenDocument and OpenOffice.org XML File Formats
Using XML Filters to import and export XML in openoffice
Manipulating OOo Documents with Ruby
Opening Open Formats with XSLT
ONIX Validator
Stream Parsing with REXML
XML Cleansing
When writing XML, all text should be converted to UTF8 if it's not coming from a known source. This blog post provides a ruby function to do the conversion.
Index of /fred2.0/authorities
book data from the US Library of Congress
Prince
an XML to PDF compiler
XML CDATA
notes on what characters are illegal in XML CDATA fields
SourceForge.net: Buzz XML/OPML editor
outline viewer/editor written in python
IT Conservative: 10 Years of XML: Global Warming
XML contributes to global warming?!
Microsoft Office XML Formats? Defective by design
How easy is it to modify Microsoft OpenXML Office files outside of MS Office?
darkskiez.co.uk - tv_grab_dvb
program that reads TV EPG direct from the magical airwaves, and saves it as a xmltv file
Jan Vereecken's Blog: Event-driven xml parser in Ruby
writing a stream-based XML parser in ruby. Good for large files
Google Analytics Fun // RailsTips.org by John Nunemaker
accessing google analytics via a rouge API
Hpricot - My New Favourite Ruby XML Parser - Peter Krantz
Parsing XML With Hpricot // RailsTips.org by John Nunemaker
ONIX for Books
cfis : Resurrecting libxml-ruby
ruby's libxml bindings get a breath of fresh air
XMLProbe - online ONIX for Books validation
It's an HTTParty and Everyone Is Invited! // RailsTips.org by John Nunemaker
ruby library to make consuming REST HTTP APIs simpler
Luca Guidi: Ruby: XML Parsing With SAX
using the libxml-ruby SAX parser
ROXML - Ruby Object to XML Mapping Library
Using simple annotations, it enables Ruby classes to be custom-mapped to XML. ROXML takes care of the marshalling and unmarshalling....
Ruby Object to XML Mapping Library // RailsTips.org by John Nunemaker
An HPricot-style interface to LibXml-Ruby » Bogle’s Blog