Field Report : I must have a link to Sarah Squall's awesome review site. Check back every week for a new review from this wonderful AFML member.
Autumn Tysko's Reviews
XF season reviews
24Hour News X
The Gossamer Project
The Jr. Gossamer X-Files Page
The X-Files University
BADFIC: The XF Fanfic Hall of Shame : This page is too funny! You have to read these stories! ROTFLMAO!!!
X-plicit Disclosures - HUGE fanfic archive
Bee Slayer's Fic Page : This awesome AFMLer has written great stuff - go read it now! She also has fanfic from author people, too, and some good trivia. You *have* to check out the Spam quotes, they're hilarious!!!
The Unopened Fanfic Archive : Another AFMLer brings us a stunning collection of fanfic, some in English, some in Italian, some in both.
Rebeccas X-Files Fanfic Page : Not only does she have fanfic, but she also has sounds, top ten lists, and MIDI files, and a commentary on the MSR (Mulder/Scully Relationship).
Lili Blue's X-Files Fan Fiction Page
The Fanfiction of Kronos
The Fan Fiction of Anne Haynes
The Fanfiction of Lydia Bower : Usually NC-17 kind of stuff.
The Titanic Files (Pt1) : Pretty good fanfic.
The Slightly Warped X-Files Page : Funny X-files fanfic based on Monty Python, XF musical,...
Erin M. Blair's Relationshipper Fan Fiction : Be sure to check out this cool AFML member's fanfic site.
Fanfic for shippers
S.T.A.R. : The Speculators of Temptation And Romance (therefore shippy).
The Inner Sanctum: NC-17 Slash fanfic
Baccarat Figurines Universe : Universe of "Baccarat Figurines", a collection of Mulder/Skinner Slash stories
Heather's MSR SMUTster's Paradise Archive
Agent Xena's Smut Archive : You must also check out this fabulous AFML member's site.
The Chronicles Of LabBoy
RATales : As you may have guessed by its name, this mailing list loves to post stories and discuss Alex Krycek.
Sergeeva's Walter-Altar : Fanfic
The Anti Diana Fowley Archive : Yes, there is also a link for this on the Sites Against Fowley page, but this also fits into this category. (And you can never have enough references to this kind of thing) :)
Lyrical Side of the X-Files : Poetry
X-Files Fan Fiction Links
The X-Files Scripts Archive
X-Files Tag Lines : Good reference. BTW, these are not the Simpson's ones.