Org-mode tables are super convenient for organising information. You just press | and tab and you have a new table in your text file! You can insert lines with

Org-mode tables are super convenient for organising information. You just press | and tab and you have a new table in your text file! You can insert lines with |- tab and the columns auto expand to fill your text. The formula functionality is pretty useful too, although I rarely use it and working it out is a bit of a puzzle still.