Sloane Leong, The Comics Journal: Comics Dragnet
Ashanti Fortson, Queership: What queer webcomics should you be reading?
Blambot – fonts for comic lettering, mix of free/pro
Lazy Nezumi – pen stabilization tool for Windows, compatible with many art programs, including Photoshop
Project Wonderful – easy advertising for webcomics (shuttering as of July 2018)