Knowing that several of my buddies are fanfic lovers and are just dying for yet another something to lure them into spending way more time online than they should ***insert evil grin here***, here are the multi-fandom archives, old and new (to me anyway), that I found currently existing out in the e-universe. If I've missed any, please share!
Adult Fanfiction.net
Archive of Our Own
Blue Laces
The Dark Vault
FanFiction.Net
FicWad
Fightor Flight
The Glass Onion
...Mightier than the Sword
Mind Dance
The Wonderful World of Makebelieve
Happy timesuck!!!