Author here: I currently actually use it underneath runit to group processes that must live and die together. runit itself doesn't have good support for this so

Author here: I currently actually use it underneath runit to group processes that must live and die together. runit itself doesn't have good support for this sort of grouping. I also use it for grouping stuff together while developing multiple servers that depend on eachother, it is nice to be able to ctrl-c all of them and restart them together in the right order.