Unforgetful is a new app from the creator of Overcast that enhances Apple Reminders

Overcast developer Marco Arment just launched a brand-new app for iPhone, iPad, and Mac. Called Unforgetful, the new task-management app is built for people who struggle to keep reminders from slipping through the cracks. Unforgetful is designed around persistent notifications, flexible snoozing, and a deliberately simple interface.

Summary from the 9to5Mac feed. The full story lives on their site.