Where I spend most of my time at uni, the swansea uni computer society has proved to be an invaluable resource of both friends and knowledge. During my time there it's members have helped me develop skills in web design and C++ programming as well as helping fuel several of my projects. > 10/10 Would sucs again.
The Brony group (based, unsuprisnly) in bristol from 2012-2015 after which it merged into Severn Bronies. I was active in the group for all it's running, being incharge of holding meets and later administration. During the 3-4 years it was running the group held meets normally weekly, 184 in total.