Work with Excel (XLSX) spreadsheets

An interface to libxlsxio, a C library to read and write XLSX files

An interface to libxlsxio, a C library to read and write XLSX files

Bijective base encoding (spreadsheet column numbering)

A static memory structure in Raku, bidimensional, that uses String for column names and rows starting from one. Provides basic search and indexing features.