Planniversary - Never forget a gift or a birthday / anniversary again 🎁📆
EvePlaner - EvePlaner.net lets you create and manage your events the easiest way possible.
Slack Birthday Bot - Slack bot for celebrating birthdays
Tiny Reminder - Collect content & files from busy clients
Cupcake - Keep track of your friends' birthdays
Mixily - Hosting your event just got easier.