Tumblr is where everyone who used to be on LJ have gone. It is infested with snarky little tweens and teens but there is a lot of fandom stuff there. It's more of a look/repost place and there isn't much communication beyond "MY ship is better than YOUR ship and YOU suck."
AO3 is a good place to post fics and read good fics. The maturity level is MUCH higher than Fan Fiction. People are much more respectful.
Dreamwidth isn't all that different from LJ. I have an account that I never use.
You might like Fan Forum. There are hundreds of fandom boards there and they do post fics. I have to limit my time there because I spend HOURS at the OUaT board and the Jen Morrison board.
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AO3 is a good place to post fics and read good fics. The maturity level is MUCH higher than Fan Fiction. People are much more respectful.
Dreamwidth isn't all that different from LJ. I have an account that I never use.
You might like Fan Forum. There are hundreds of fandom boards there and they do post fics. I have to limit my time there because I spend HOURS at the OUaT board and the Jen Morrison board.