Other open source command line spreadsheets:

  https://github.com/drclcomputers/GoSheet
  https://github.com/xi/spreadsheet/
  https://github.com/andmarti1424/sc-im
  https://github.com/saulpw/visidata
  https://github.com/bgreenwell/xleak
  https://github.com/SamuelSchlesinger/tshts
  https://github.com/CodeOne45/vex-tui