xlsx spreadsheet generation with charts, images, automated column width, customizable styles and full schema validation. Axlsx helps you create beautiful Office Open XML Spreadsheet documents (Excel, Google Spreadsheets, Numbers, LibreOffice) 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.

Simple yet powerful library for importing tabular data from CSV, HTML, XLS and XLSX files, including support for auto-detecting column order, parsing/validating cell data, aggregating errors, etc.

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

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

Exctract an array of emails from various file formats (xls, xlsx, csv, txt)

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.

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.

Xlsx stream download for rails.

Convert from a simple hierarchical-tree outline text into ugly xlsx file

Upload xls, xlsx and csv files and import the data in rails models.

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

Converts Excel .xls and .xlsx files to CSV.

acts_as_xlsx lets you turn any ActiveRecord::Base inheriting class into an excel spreadsheet. It can be added to any finder method or scope chain and can use localized column and sheet names with I18n.

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

Create Microsoft Excel (.xlsx) files.

A fast XLSX parser using Nokogiri

Fast Microsoft Excel's XLSX reader. Binding of C's xlsx_drone lib.

A gem using DSL for reading&writing Excel (.xlsx).

Create XLSX files from scratch using Ruby

Fast way to read and write in microsoft office xlsx