Memo to Me - Online email & SMS reminder service.
Free Alarm Clock - Free Alarm Clock is a free, full-featured and user-friendly computer alarm clock for Windows.
Auto Email Sender by Autoclose.net - Auto Email Sender is a small and neat free automatic SMTP email sending tool. As long as you add a list of email addresses, it can automatically send emails or Newsletters to all email addresses one by one via SMTP.
Gnome Clocks - Clock application designed for GNOME 3
Auto Mail Sender - Auto Mail Sender Standard Edition official page. A powerful and easy-to-use eMail scheduler.
AlarmDJ - Online Alarm Clock - Use YouTube videos or MP3 files as alarm sound. Works offline.