XLSX Parser
xsv
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.
ooxml_parser
Parse OOXML files (docx, xlsx, pptx)
dullard
A fast XLSX parser using Nokogiri
oxcelix
A fast Excel 2007/2010 (.xlsx) file parser that returns a collection of Matrix objects
saxlsx
Fast xlsx reader on top of Ox SAX parser
ooxl
A Ruby spreadsheet parser for Excel (xlsx, xlsm).
embulk-parser-poi_excel
Parses Excel files(xls, xlsx) read by other file input plugins.
ooxml_excel
A Ruby spreadsheet parser for Excel (xlsx, xlsm).
universal_data_parser
Gem intended to analize and deduct data from CSV, XLS, XLSX, files
embulk-parser-roo-excel
Parses Excel files(xlsx) read by other file input plugins.
tolq-parsers-xlsx
Parses and unparses between Tolq and xlsx to be used with the Tolq api
mindreframer-oxcelix
A fast Excel 2007/2010 (.xlsx) file parser that returns a collection of Matrix objects