Caxlsx (Community Continued Version)

Axlsx is an Office Open XML Spreadsheet generator for the Ruby programming
language.

With Axlsx you can create Excel worksheets with charts, images (with links),
automated and fixed column widths, customized styles, functions, tables,
conditional formatting, print options, comments, merged cells, auto filters,
file and stream serialization as well as full schema validation.  Axlsx
excels at helping you generate beautiful Office Open XML Spreadsheet
documents without having to understand the entire ECMA specification.
