Wonder - Your personal research assistant
Simply Remind Me - Free email and text reminder service so you don't forget the important things in life!
Reminder - A better way to keep track of your reminders 📝
FollowUpThen - The simplest way to schedule an email reminder
X (Twitter) - Connect with your friends and other fascinating people. Get in-the-moment updates on the things that interest you. And watch events unfold, in real time, from every angle.
Kana Reminder - Kana Reminder is a program which can be used to set a reminder to be triggered at a specified time.