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

Device Magic users can upload .xlsx files to be referenced within their mobile forms. This project is aimed at automating the same process for Google Sheets to increase the flexibility of resources.

Export activerecord easiest way (csv, xls, xlsx)

Convert TPD timeclock data to XLSX

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

Standardize of operation manner for reading Excel files(.xls, .xlsx).

Transforms Excelx file into Hash Or Json objects

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

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

Convert from a simple hierarchical-tree outline text into ugly 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.

Extensions for ruby-filewatcher, like xls, xlsx

A simple way to consume CSV and XLSX test data for use in your tests.

A mountable Rails engine providing a complete data import workflow: upload/configure, preview with validation, and import. Supports CSV, JSON, XLSX, and API sources with a simple DSL for defining import targets.

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

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

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.

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