Rails Excel strategy to write xlsx files through writeexcel gem

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)

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

Extensions for ruby-filewatcher, like xls, xlsx

Scan and replace text in xlsx file

Parse Excel spreadsheets with a simple API. Read cell values, formulas, styles, comments, data validations, named ranges, and merged cells from xlsx and xlsm files. Supports streaming from strings and IO objects with lazy row loading for large files.

Fast way to read and write in microsoft office xlsx

A Ruby spreadsheet parser for Excel (xlsx, xlsm).

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

Converts Excel .xls and .xlsx files to CSV.

Gem intended to analize and deduct data from CSV, XLS, XLSX, files

support to grep something in .xlsx files

Import a xlxs file

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

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.