[nrvslghtnng]

Only three others, scaled back from a dozen or two a number of years ago:

https://sinfest.net (I learn a lot from the two forums)

http://www.penny-arcade.com/comic

http://strongfemaleprotagonist.com/

Strong Female Protagonist is a wonderfully fun—and deep—look at the world of superheroes.

Edit: lists.

[webmaven]

Cool. SFP is just the sort of thing I'd have missed out on. Thanks!