R/S recs from other sites:
The Shoebox Project aka the Bible of R/S shippers. Nuff said.
Casting Moonshadows a popular fic apparently, despite this douchebag never having read it.
accio_rs_fics a place where you could ask other people around for fics that will satisfy your unique cravings.
LupinBigBang Fics of more than 20,000 words, all about Lupin.
BigBangBlackout Fics of more than 20,000 words all about Sirius this time.
RS BigBang Fics of more than 20,000 words all about Remus and Sirius as a couple.
DogDaysofSummer Summer with the boys.
RS_Games If you don't know what this is, you have probably just woken up from a coma.
RS_Career_fest Want to see your favourite boys (Peter and James included) engage in unusual careers? Pirates, rent boys, fashion designers, get them fics here.
remusxsirius The place to be in LJ.
MWPP_Mischief Your lovely host to fic/art fests that has to do with all things Marauders.
Soothing Universe Remeciel is one brilliant artist who used to draw an epic (and I mean this in the best way) R/S centric Marauder-era comic. Sadly, she has left the fandom, and I miss her work very much. For those who haven't seen her work yet, please do so here: Studio Silence
paulamcg's fanfics Paula has been sharing her fan fiction with us for a while now, and if you like reading about Remus, and the lost years, this writer might be the one for you.
melete's fan art I have no words. Look at them. Just do it.
Sirius News Self-explanatory. R/S not your only cup of tea? Well, look at what else Sirius is doing. Sadly, Remus News seems to have died. But you might want to check that out also.
Fuck, yeah!SiriusxRemus A tumblr blog dedicated to all things Sirius and Remus!
PuppyLove Remus/Sirius community over at Dreamwidth.