Reddit - Reddit gives you the best of the internet in one place. Get a constantly updating feed of breaking news, fun stories, pics, memes, and videos just for you.
Stack Overflow - Community-based Q&A part of the Stack Exchange platform.
TopTopic - TopTopic is an uplifting space to create, discover, discuss and earn from compelling content.
The Answer Bank - The Answer Bank is the UK’s leading question-and-answer site.
Snapzu - Snapzu is basically reddit alternative.
Askalot - Askalot is a next generation CQA (Community Question and Answer) system.