Motel Blu Neon
- Archive of stories previously posted to various news groups. Includes original fiction and nonfiction works, as well as series-related and original artworks.
- http://users.skynet.be/d.lineate/

X Files Stories by Mary Ruth Keller
- A long series of alternate universe stories exploring the conspiracy arc in depth. No romance.
- http://www.eclipse.net/~mrkeller/stories.html

The Underground
- Punk Maneuverability's romance stories, mostly pairing Mulder/Scully, but also some stories involving Skinner or Pendrell. Also includes stories of angst and humor, tributes to Mulder and Scully, and a few Sports Night and West Wing stories.
- http://home.teleport.com/~punkm/index.html

The Federal Bureau of Imagination
- Stories by Julie Cantrell, including Mulder/Scully romances and fiction exploring more minor characters, such as Jeffrey Spender and Margaret Scully. Also contains collages, poetry, and postcards.
- http://fbimagination.faithweb.com/

Kingdom of X
- Stories and vignettes, most focusing on Mulder. Also includes slide shows and "Signs You're Still Addicted to 'The X-Files.'"
- http://rhetta.8m.net/