I _think_ http://cushionapp.com http://cushionapp.com might be profitable. The founder has recently started using some freelancers to help with features but as

I _think_ http://cushionapp.com http://cushionapp.com might be profitable. The founder has recently started using some freelancers to help with features but as far as I know it's still a one person company. The founder writes about their experiences here: http://cushionapp.com/journal http://cushionapp.com/journal