I love these fanfics ! ((:
Louis: http://foreverlouis.tumblr.com/fanfics
Zayn and Niall: http://onedirectionnyc.tumblr.com/
Harry: http://stylesslutsfanfic.tumblr.com/
Harry: http://thatcurlyhairedboy.tumblr.com/unrequited
Harry, Liam and Larry http://onedirectionffs-.tumblr.com/
Harry: http://youre-a-1directioner-when.tumblr.com/tagged/myfanfic
Liam: http://some1dfanfiction.tumblr.com/
Liam: http://liam-lightyear.tumblr.com/oneshotsfanfics
Harry: http://hellyeahonedirection.tumblr.com/
Harry: http://harrystylesismyhero.tumblr.com/fanfiction
I’ll add more when I’ve read some other good ones.