RemindTime.com - Email, telephone, written and SMS reminders for birthdays, new year's resolutions, medication reminders, and more. - http://www.remindtime.com/
T-Minus Reminder Countdown Clock - Countdown clock on your desktop or webpage to count down days, hours and minutes to your Reminder! - http://www.thecountdownclock.com/reminder.asp
B-bot.info - B-bot.info is a free online reminder service. Birthday e-mail reminders are sent at no charge, for as many contacts as you like. - http://b-bot.info
FutureMinder - This personalized email reminder service allows you to create sophisticated time-based reminders, and includes an online calendar. - http://www.futureminder.com/
myMemorizer.com - Web calendar with e-mail and SMS reminder alert service. - http://www.mymemorizer.com
Mein Hoo Na - Online service that will send an SMS message to mobile phone to remind you of important dates. Requires an annual fee. Available to customers in India only. - http://www.meinhoona.com
GetReminders.com - A free web based reminder service. - http://www.getreminders.com
Zexer Online Addressbook - Access your contacts and maintain your planner from any Internet connected computer. - http://www.zexer.com
iPing - Wake up calls, group announcements, and reminders. Free trial available. - http://www.iping.com/
Send a reminder - A free reminder service with open server access for developers. Reminders are sent to web enabled cell phones. - http://www.sendmereminder.com
Remind Me! - Free email reminder service. Select the event date, reminder date, and reminder frequency. - http://www.thecrackedpot.co.uk/remindme/
01191.COM ez-reminder - Free email reminder service. Allows monthly, weekly, yearly and one time reminders. - http://www.01191.com/reminder/index.aspx
Instant Reminders - Free email reminder service for birthday's, anniversaries, and any other important date you might forget. - http://www.instantreminders.com
FREE Reminders by iBot Reminders - FREE email reminder service. Type your reminder, then select the delivery date, and frequency. - http://www.ibotreminders.com
Just Between Friends Reminder & Organizer - Organize & record birthday, anniversary, and Christmas lists. Receive reminders for special dates. Annual fee required. - http://www.justbetweenfriends.net
Jogit SMS reminders - Online service that will send an SMS message to your mobile phone to remind you of important dates. Requires an annual fee. - http://www.uk.jogit.com
BigDates.com - Receive email and cell phone reminders for important dates. Reminders offer suggestions for greeting cards and gifts. - http://www.bigdates.com
101-Reminders - Free calendar planner with email event and birthday reminders. - http://www.101-reminders.com/
Birthday Pal Reminders - Free birthday reminder and management system using email messages. - http://www.birthdaypal.com/
rE-minders - Free, private, noncommercial e-mail reminder service, with a searchable database of local events. - http://www.sitefoundry.com/reminders/index.shtml
Time Cave - Allows users to schedule email messages to themselves and others. Great for reminders and fun notes sent far into the future. - http://www.timecave.com/timecave/index.jsp
Free-minder.com - A comprehensive free e-mail reminder service. - http://www.free-minder.com/
MemoToMe.com - Free reminder service, specify one-time or recurring events and automatically reminds by via email or wireless device. - http://www.memotome.com/
DateReminder - Free service to alert to important upcoming events such as birthdays and anniversaries. - http://www.datereminder.co.uk/
AnyReminder.com - Free individual and business daily-planner, calendar, directory and reminder service. - http://www.anyreminder.com/