Kippa - From inside Teams, Kippa reminds you or your team-members about events to keep the team running like clockwork.Kippa's five-minute learning curve enables you to quickly set personal and shared reminders, (@mentions), or to Private Channels.
Planniversary - Never forget a gift or a birthday / anniversary again 🎁📆
Reminder - A better way to keep track of your reminders 📝
Cupcake - Keep track of your friends' birthdays
doo - A smart, simple app for reminders and to-dos
hbd - birthday reminders for the people you actually care about.