RDFMapper is a lightweight Ruby ORM that works with RDF data in a Rails-like fashion. Is supports XML, N-Triples, JSON formats, SPARQL and ActiveRecord as data sources.

I needed a way to generate a natural language request without having to input specific numbers. Red Davis did an excellent Baysian algorithm that can also be used for generating useable numerical input. For those curious about Red Davis work, check out: https://github.com/reddavis/Naive-Bayes

Pipe lets you aggregate a bunch of RSS feeds based on filters. Tell pipe the url of the feed, and then give it a hash of xml tag names plus patterns those tags must fit. Use with sinatra, easy as pie.

Library for encrypting/decrypting password-protected Microsoft Office XML (OOXML) files (e.g. .docx, .xlsx, .pptx)

grid_rest is a gem that makes your rails application interact with other backends through a REST interface. It is build in a situation where one rails application was talking to 2 java backends. The main development focus is JSON communication, but XML should be just as easy

Downloads TV channel schedule in XML format

AnyChart will build the necessary XML files and some helpers to support some AnyChart charts

An Asciidoctor converter that converts AsciiDoc documents representing quizzes to Moodle XML documents

Generate Word documents from a template, also handle html and images too.

Map styles are often defined using SLD, or Style Layer Descriptor documents. These XML documents are very long, verbose and complex to maintain. Amanzi:SLD is a simpler DSL designed to generate SLD documents, but using a very much simpler syntax. Many common cases might be a single line only, whi...

The generator can be used to create html or xhtml files. It comes with many utility functions. The javascript to render the table of contents, the custom generator functions and style sheet all can be supplied by your own, if necessary. By default there are methods to insert tables, links, parag...

An interface to load objects from external APIs provided in XML and JSON formats

A Ruby library for extracting data from websites and web based APIs. Supports most common document formats (i.e. HTML, XML, CSV, and JSON), and comes with a handy mechanism for iterating over paginated datasets.

Amrita2 is a a xml/xhtml template library for Ruby

Using a WikiMd formatted document, generates a basic Amazon Alexa model in XML format, as well as other formats.

A library to parse XML documents for SAML configuration

Rendering of ISO 690 XML

A webcrawler, which grabs fine-grained data of your personal Nike+ runs and saves these as XML and JSON files.

punndit_youtube is a Ruby client for parsing the YouTube API v2 using JSON objects. This is a lot cleaner and simpler method than trying to use the XML data provided. This is for simple tasks involving YouTube like getting a Playlist(s), Channel, or single video information. This version does not...

Ambling is a rails plugin makes it easy to generate XML needed by the wonderfully slick Amcharts (http://www.amcharts.com/).