General Thank You Wording From Baby What Are Forums And Sites Where You Can Level Up Through User Generated Content Called As A Term Or In General

What are forums and sites where you can level up through user generated content called as a term or in general - general thank you wording from baby

I am looking for the word General forums and sites where such capital, or level / experience / issues through the presentation of content by users. I know that places like PayPerPost and Bloggerwave and Gametrailers, but I would also include a list of sites that you know and have a good experience or simply a generic term or word of these sites or services. Thank you!