- http://www.youbookin.com/ (online appointment scheduling) - https://etacts.com/ (mass messaging to multiple contacts) - http://snoozester.com/ (scheduled telephone reminders) - http://www.fyiremindme.com/ (automated reminders) - http://www.logicalware.com (Mailmanager by Logicalware) - http://www.spyvo.com/ - http://mailmelater.com/