I use dpcalendar. For a community site, I need members to invite other members to sign up for an event.
For now, it is possible to use Invitex which allows to invite by email people.
It would be much better for a member to invite easyprofil members (see his friends) in 1 click.
This is not possible now. techjoomla suggests me to talk about it on forums to increase the priority.
Say your interest now