I have gone through the list of Calendar Add-ons, read reviews and sent email inquiries to the authors. None of the inquiry emails have been answered and I do not want to risk $55 for my organization, especially after reading the negative reviews.

The requirements are straight forward: duplicate

http://www.greaterbendrotary.org/Calendar.cfm...

Also the Demo links either do not work and in one case took me to a 404. It would be very useful to have trial versions.