a freely-available, full-featured office suite. - doc

Tools

• odf-report - Gem for generating .odt files by making strings, images, tables and sections replacements in a previously created .odt file.
• rspreadsheet - Read, modify, write or create new OpenDocument Spreadsheet files from ruby code.
• LibreOffice from the command line - Convert, print, protect, and do more with your files directly from the command line.
• Serenity - You provide an .odt template with ruby code inside a special markup and the data and Serenity generates the document.