Yes, actually they are more similar to a meme and funny posting site you can also use them just use your steemit account to sign up, steemit platforms arer all connected with steem connect. Maybe you can learn more about steem connect and you will really find it interesting, I can only be so sure and detailed with my reply to you. If you have heard of the website 9gag, dmania is very easy to use like that. Thank you for reading my post.