2009
iSMS

Dial2Do - Home
by 3 othersJumblo | Free calls
Stop Futzing Around - Futz.me (BETA)
2006
Joopz
by 1 other
oh, don't forget...
by 9 others
Beeplet: timed alerts
by 9 others
mymemorizer.com - Web calendar with e-mail and SMS/Text Message reminder alert service
by 3 others