This site seems to have quite a few of them. Good luck.
These are only links with general information or news, but taking a closer look might be useful:
https://en.wikipedia.org/wiki/Reddit
http://www.popularmechanics.com/technology/apps/news/a16320/top-reddit-alternatives/
http://www.dailymail.co.uk/sciencetech/reddit/index.html
Thank you!
You're welcome, Goranko.
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