write_xlsx is a gem to create a new file in the Excel 2007+ XLSX format.

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

rubyXL is a gem which allows the parsing, creation, and manipulation of Microsoft Excel (.xlsx/.xlsm) Documents

Import data from xlsx into a rails app and export data to xlsx from a rails app

Blazer fork that adds support for exporting to XLSX

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.

Xsv is a fast, lightweight parser for Office Open XML spreadsheet files (commonly known as Excel or .xlsx files). It strives to be minimal in the sense that it provides nothing a CSV reader wouldn't, meaning it only deals with minimal formatting and cannot create or modify documents.

cgo support xlsx, from golang excelize

Ruby interface to libxlsxwriter

A simple way to Open .csv, .xls, .xlsx files. You can convert it to 2D array, hash, data frame.

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

Scan and replace text in xlsx file

Parse OOXML files (docx, xlsx, pptx)

Read xlsx data the Ruby way

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

A Ruby gem that streams and parses large Excel(xlsx and xlsm) files fast and efficiently.

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

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

Export activerecord easiest way (csv, xls, xlsx)

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