Lots of LGBT friendly titles on this list - X-Factor, X-Treme X-Men, and Astonishing X-Men. I will begin reviewing All New X-Men, which while it doesn't feature any LGBT characters, frickin' rocks!
"The X-Men franchise has been a huge focus for Marvel pretty much ever since it became a true franchise in the first place. The fallout of Avengers vs. X-Men and the steady slate of relaunches and new series with Marvel NOW! have ensured that the X-Men franchise is bigger than it has ever been."