FollowUpThen - The simplest way to schedule an email reminder
WFH Ninja - A "work from home" excuse generator to start your day
Right Inbox - Schedule Emails in Gmail To Be Sent Later
Cop-Out - The ultimate excuse generator
LetterMeLater.com - LetterMeLater.com allows you to send emails to anyone, with the ability to have them sent at any future date and time you choose.
Excuse generator - Don't want to go to office? They are here to help.