I do something similar with i3's built in horizontal tabs. A few terminals and a browser look like this: https://i.imgur.com/8vVNYno.png https://i.imgur.com/8v

I do something similar with i3's built in horizontal tabs. A few terminals and a browser look like this: https://i.imgur.com/8vVNYno.png https://i.imgur.com/8vVNYno.png You can add or remove columns by moving a window past an edge: https://i.imgur.com/MlPR05b.png https://i.imgur.com/MlPR05b.png