Simple spreadsheet reader for common formats: Excel (.xls, .xlsx), Open-office (.ods) and some CSV (standard, excel, tab separated). Future versions: writing and more formats.

Parse OOXML files (docx, xlsx, pptx)

A fast XLSX parser using Nokogiri

Simple command line interface to convert .xls or .xlsx files to .csv

Just as the name says, simple writter for Office 2007+ Excel files

Fast xlsx reader on top of Ox SAX parser

A fast Excel 2007/2010 (.xlsx) file parser that returns a collection of Matrix objects

Ruby library and script for decrypting password-protected Microsoft Office XML files (.docx, .xlsx, etc.)

Parses Excel files(xls, xlsx) read by other file input plugins.

DSL for creating clean CSV, XLSX, and PDF reports in Ruby. Extracted from Brighter Planet's corporate reporting system.

A gem that makes SheetJS/xslx available to the Rails asset pipeline.

Converts Excel .xls and .xlsx files to CSV.

Easily output tabular data, be it in HTML, CSV or XLSX. Create clean table classes instead of messing with views to create nice tables.

A tool to convert xls, xlsx, ect to csv

wortsammler is an environment to manage documentation. Basically it comprises of * a directory structure to organize the document sources * a manifest file to control the publication process * a tool to produce the doucments Particular features of wortsammler are * various output ...

Makes it easy to import spreadsheets. Handles .csv and .xlsx formats as well as raw 2D arrays

Create XLSX files from scratch using Ruby

Creek with image read from xlsx feature for Creek 1.1.2.

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

if ssconvert from gnumeric is installed it can convert xls and xlsx as well (single sheet)