sharing - this one is key. I use a shared shopping list and we both need to add and edit.

https://etherpad.org/

Get jotting with your friends in seconds: https://pad.disroot.org/

Parallelism 1, iterations 15, memory 512mb

New status unlocked! LUNATIC

Notifications are overrated. I turn them off for the bulk of apps.

Devote one or two small time windows each day for life admin. Outside those windows it shouldn’t be seen or heard.