My Daily Planner - Organize your day with pen & paper. Free printable template.
Birthdays Reminder - So now you can finally delete your Facebook account
Amazing Marvin - Customizable personal productivity tool
Slack Birthday Bot - Slack bot for celebrating birthdays
FocusList - Daily planner & focus timer based on timeboxing and pomodoro
BirthdayBot for Slack - Don't miss your teammates' birthdays!