ChorePing is a chore rota for house shares that does the chasing. The organiser adds the chores and names once. Each flatmate gets a personal link, with no app to install and no account. Chores rotate by themselves when ticked off, everyone gets an email reminder on their day and an optional calendar feed, and overdue chores get a follow-up, so nobody has to be the house nag. There is also a shared house board where anyone can tick a chore off. Free for houses of up to 4 people; the Whole house plan is $15 a year for up to 20 people, paid once by one person. Built in Sydney.