Making CampTix and The Events Calendar work in harmony for the benefit of your meetup group.
"CampTix & Events Calendar for Meetup Groups" adds the following features:
You can see an example of this plugin in action on a single event page from my local WordPress meetup group in Cape Town here and here. And here's an example of the attendees RSS feed filtered to show a specific event's attendees.
Want to contribute? Fork the GitHub repository.
Note that this plugin requires CampTix and The Events Calendar (or Events Calendar PRO) to be installed - without them it is effectively pointless.