Looking for Group Plugin

Hi, I’m pretty new to creating Websites and it’s the first time i use WordPress and it’s countless plugins. Now my site should have a looking for group tool something like this http://www.destinylfg.net . I plan to allow login through Steam and maybe the Xbox and playstation stuff, As you can see that can be chosen there, use your gamertag or create manually. Now i don’t really have the knowledge to code something like that and just cant figure out where to find a guide or something, so i’m looking for Plugins
I found this one http://groupsengine.com/index.php#feature-container which could do something in that direction. But the costs are a bit too much for me, so are there alternatives? Or any good guides on how to code such a filter input system with direct output below?

Thanks in advance.

[ No bumping please. ]