Once you've got a few people signed up for your site, you can modify them here as well.
Once you get through the installation, you'll be greeted with the default implementation of your social networking site, which looks like this: Obviously, you aren't going to want to stick with the default, but it's a good time now to browse through the system and see what you've got to work with for your social networking website.
The project is a dating site as an adjunct to existing community networking print publication.
(see [url removed, login to view]) To include basic dating functionality, events scheduling for singles activities similar to [url removed, login to view] functionality, groups/forums etc.
You can get it for free (the community edition) or in a plan which gives you various options.
Pricing is pretty reasonable considering how much you get for the product.