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.

Adjenda - Send todos easy as text messages to the right person to do.

Wonder for Slack - Remember the things your team forgets

Simply.Digital - Goals & Tasks - Todo list to track your time & help set meaningful deadlines

Reminder - A better way to keep track of your reminders 📝

doo - A smart, simple app for reminders and to-dos