[anjakefala]

Open-source tool for quickly opening and exploring tabular data: https://jsvine.github.io/intro-to-visidata/index.html

(Disclaimer: I build homebrew, apt, etc packages for VisiData.)

[roadnottaken]

tabview [1] is a somewhat simpler tool for navigating tabular data that I install everywhere

https://pypi.org/project/tabview/