For Readers:
Abyss & Apex
Aeon Speculative Fiction
Apex Science Fiction and Horror Digest
ChiZine
Ideomancer
The Internet Review of Science Fiction
Journal
of Mythic Arts
Locus Online
Sam's Dot Publishing
Strange Horizons
Subterranean
Magazine
For Writers:
Duotrope's Digest
Horror Writers Association
Ralan's SpecFic & Humor Webstravaganza
Science Fiction and Fantasy Writers of America
Science Fiction Poetry Association
Of Artistic Interest:
Interstitial Arts Foundation
Speculative Literature Foundation