nesquena / rabl

General ruby templating with json, bson, xml, plist and msgpack support

flavorjones / loofah

Ruby library for HTML/XML transformation and sanitization

ohler55 / ox

Ruby Optimized XML Parser

rapid7 / recog

Pattern recognition for hosts, services, and content

caxlsx / caxlsx

xlsx generation with charts, images, automated column width, customizable styles and full schema validation. Axlsx excels at helping you generate beautiful Office Open XML Spreadsheet documents without having to understand the entire ECMA specification. Check out the README for some examples of how easy it is. Best of all, you can validate your xlsx file before serialization so you know for sure that anything generated is going to load on your client's machine.