Progress Bar OSX - This is your life and it's ending ⏳ one minute at a time
Planniversary - Never forget a gift or a birthday / anniversary again 🎁📆
Next Deadline - Slick Deadline Manager
Cupcake - Keep track of your friends' birthdays
Later Reminders - Super simple way to schedule reminders on your phone
Slack Birthday Bot - Slack bot for celebrating birthdays