Docufluff
   Articles, essays, and game journals on multiple games.
   http://www.night-sky.org/~spotty/writing/docufluff.html

RPG Hoard - downloadable resources
   Some adventures, fonts, maps, monsters, programs, and other resources for some systems.
   http://www.rpghoard.com/

RPG Sheets
   Over 700 character sheets from over 200 game systems, including official sheets, custom and WebRPG.com sheets. Accepts submissions.
   http://www.rpgsheets.com/

RPGArchive
   Archive of adventures categorized by genre and system. Accepts submissions.
   http://www.rpgarchive.com/

The Harrow
   Former roleplaying guide Dru Pagliassotti's archive of articles on roleplaying, gamemastering, and adventure writing.
   http://www.theharrow.com/rpg/

The Keep
   A large collection of files, mostly related to RPGs: systems, rule supplements, information about or for campaign settings, adventures and ideas for adventures, other GM aids, fiction, humour, and miscellaneous RPG material.
   http://keep.trawna.com/

The RPG Character Mortuary
   Final resting place for characters who died - tragically or otherwise - in roleplaying games. Accepts submissions.
   http://www.electricferret.com/mortuary/