All spreadsheets used to run in your terminal, in the old days. You can still download one here and I wouldn't be surprised if it still works: https://winworldpc.com/product/quattro-pro/4x
Teapot is pretty great, it's too bad there is close to zero room for real innovation in the spreadsheet domain. For the most part if it's not spreadsheeting how prophet Dan Bricklin envisioned, people don't want it.
All the best,
0. https://github.com/andmarti1424/sc-im
1. https://www.syntax-k.de/projekte/teapot/
See also: lotus improv