Users will find design help such as Photoshop tutorials, entry level programming stuff for web languages, online gizmos like verifiers, color scheme tools and font identifiers, extensions, site component code, and how-to for rendering things like eyes and fur.
There are zillions of computer resource lists on the web. What makes this one distinct, although probably not unique, is that the selections are made exclusively with web comic people's needs in mind.
Next time you're feeling stuck, learn something useful and apply it to your craft. It's the best way to get unblocked.