Comment by kmoser a day ago
Have you tried plugging in a second keyboard and taking over where necessary? I do a lot of remote work in which my colleague and I work on the same computer and it's quite useful for either of us to jump in with our own keyboard (and mouse). It does take a bit of occasional verbal negotiation to agree on who really knows what to do (and can do it fastest) but if you communicate well then it's pretty easy.
The wildest thing I experienced once was this experimental “two cursors, two highlights, two clipboards” setup. I badly wish that had caught on. It was like Google Docs but Local Multiplayer.
One of my previous employers, Dynaboard, built approximately that.
The Show HN post: https://news.ycombinator.com/item?id=30261598
If you enjoy Tuple, we just silently open-sourced Hopp (one of the maintainers here), we are still in Beta era, but would love some feedback!
Tuple.app does this. It's pricey but an excellent product.
There is evidence that two people on the keyboard can increase productivity.
https://www.youtube.com/watch?v=kl6rsi7BEtk