Meta Reports provides a meta language and data structure to create a 'meta' report. This report can then be exported into any format desired. MR provides HTML, PDF, and XLSX exports built in.

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

Xcellus leverages a native extension to create XLSX files. It is an 'ugly' generator because it lacks all styling mechanisms to make your XLSX pretty.

Writes XLSX files. Minimal XML and style. Supports autofilters and headers/footers with images and page numbers.

Ruby interface to libxlsxwriter

Formats Excel files(xls, xlsx) for other file output plugins.

Converts Excel .xls and .xlsx files to CSV.

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

It extracts data from exported .xlsx file of SEB bank statements and generates a financial report.

Convert csv file to xlsx file.

Allow add JIRA worklog (hours worked) from excel (.xlsx) file via JIRA REST API

xlsx renderer for Rails base on write_xlsx gem

A web resource scraper that lets you define xpath selectors, clues and hooks for custom parsing as well as export to xlsx.

Take an Excel-file (xlsx) and convert the content into a LaTeX-tabular. By default each tab becomes a tabular.

utility for reading excel file both .xls and .xlsx.

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

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

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

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

A gem for inserting data to mysql from Excel(xlsx)