Allow members to generate an invitation code they could send to the people they wish to invite to register in the fórum. Then Admin would have the choice to allow new sign ups through only this way or both this way and direct/normal registration.

A simple tool that allows people to invite other people. Like on alot of sites various boxes appear and the user can choose to invite poeople. Then it sends a message to admins and tells them who has invited who once they make an account. You can turn

I have a ideea for my forum and i am curious if is posible. To Close signups and to have a invitation sistem. To give the users a number of invites to give to other people by mail. A sistem like in the tracker sites. I wish to know if that is posible