Author sites, writing sites, and references for the writer of science fiction and/or fantasy. Many of the sites have excellent links. A few sites are included for readers and viewers of SF and fantasy.
Alma A. Hromic : An SFF author's site.
Greg Bear’s home page : Author site that includes a monthly column by this SF writer.
K. Tempest Bradford : Blog, writer resources, reviews, and other cool stuff on this personal site.
David Brin’s home page : One of Shelly’s favorite SF authors.
Broad Universe : An international organization promoting SF, fantasy, and horror written by women.
Michael A. Burstein : SF author site, with author links.
The Bujold Nexus : Official site for SF and fantasy author Lois McMaster Bujold.
C.J. Cherryh’s home page : Good author site, worth the visit for the links alone.
Dave's Somewhat Complete SF/F Writers' Internet Resources : Links by category.
Dream Cafe : Author Steven Brust's home on the web, includes a blog.
Encyclopedia Mythica : A searchable database of things mythological.
The Eternal Night : For science fiction, fantasy, and horror.
Fantastic Fiction : Bibliographic listings by author.
For Fantasy Writers: P.C. Wrede’s World Builder Questions : Everything you need to know to create your SF or fantasy universe.
Alan Dean Foster’s home page : Seriously cool author site for SF lovers.
Futurese : What American English might be like in the year 3000.
Neil Gaiman : Great looking author site, with journal and message boards.
Grand List of Overused Science Fiction Cliches : Seems comprehensive.
Holly Lisle.com : Science fiction and fantasy author’s site is full of helpful info for writers.
How to Write a Best Selling Fantasy Novel : The funny way.
In Other Worlds : Fantasy, science fiction, and mystery book reviews.
Internet Review of Science Fiction : Reviews, articles, interviews.
Jim Baen's Universe : With books previews/excerpts.
Joe Haldeman’s Tangled Website : Fun site by this SF author.
John Joseph Adams : A blog covering science fiction, with articles, links, and more.
Locus Online : Locus Magazine’s website offers SF, fantasy, and horror.
Market List : Resources for SF, fantasy, and horror writers.
Vonda N. McIntyre Home Page : Good author page, lots of useful info.
Mythical & Fantasy Creatures : This site was recommended, but I don't know the authority behind it. Still, it's attractive and can be useful.
Nightshade Books : Includes discussion board.
Official Web Site of Orson Scott Card : Reviews, news, writing tips, writing groups and forum, chat, and links from a top SF writer.
On Creating an Earth-like Planet : A basic guide.
Pegasus Nest : A writer talks about writing, science fiction, and provides links on this website/blog.
Ralan Webstravaganza : Chockful of links and resources that are a must for SF and humor writers.
Science Fiction and Fantasy Publishers : Where to check when you have a manuscript to sell.
Science Fiction and Fantasy Writers of America : SFWA’s official site.
Science Fiction in Paperbacks and Pulp : Covers the last five decades, searchable database, discussion area, quizzes, links, and more.
Science Fiction Resource Guide : Links galore. Please note that the new URL listed doesn't work. This is the old site, last updated in 2001 as far as we can tell. Despite being out of date, there is some useful information here.
Science Fiction Weekly : Online newsletter covering books, movies, TV, and more.
SciFan : "Books & links for the science fiction fan."
SciFi Channel : The cable TV channel.
SciFi Dimensions : Lots of great, media-related links.
Seized by the Tale : "Reviews of Fantasy books and comics."
SF Hub : "For science fiction research."
SF Site : Directory of SF, fantasy, and horror writers on the web.
Sff.net : SF author megasite.
SFFWorld : Yet another good science fiction site, has forums. Shelly participates on the science fiction and the writing forums.
SFTV: Margrathea Home Page : No frills SF TV listings and archives.
SpecFicWorld : Resources for writers and readers of SF, fantasy, and horror.
UK SF Book News : "Science Fiction, Fantasy & Horror Book & Comic news from UK authors, creators, publishers & retailers."
Wen Spencer : Author of the Ukiah Oregon series.
Michael Marshall Smith : This author site includes a message board.
Story Pilot's Science Fiction & Fantasy Market Engine : Search for markets by genre.
Ultimate Web Guide for SF : Nearly 6,000 SF-related links.
VanderWorld : Blog for author Jeff VanderMeer.
Visual Imagination : The home page of a British publisher of SF and horror media magazines.
Welcome to Mavarin : A fictional realm.
World Science Fiction Society/WorldCon : The official page for the World Science Fiction Convention.
Write SF/F : Links and resources.
SFF Webzines
Aphelion : Science fiction and fantasy.
Fantastic Metropolis : Fiction, essays, interviews, and reviews.
Planet Magazine : Science fiction and fantasy.
Quantum Muse : SF, fantasy, and alternative fiction and art.
Strange Horizons : Articles, fiction, art, and poetry.