What if I don't want to use Google Calendar

Well you have 2 options:

• to sync your other calendar sofware with your Google account, than setup your account just once on Google Calendar web version, and then use your own  calendar software by adding a phone.un@4gettable.com invitees to the event. see the question about: "can I use un4gettable with my mobile device"

• Use our partners- www.cal2sms.com