“I have an 18-month-old kid, so for the first time I’ve been thinking about schools and where we should live and should we buy a house,” says Hashemi, CEO of the online mapping platform Felt.

Are you planning a pub crawl? Going on a road trip? Visiting a new city? You need a map. And now, you can make your very own. Making maps is usually something you either associate with old dudes in ...