Mothership is a sci-fi horror roleplaying game where you and your crew try to survive in the most inhospitable environment in the universe: outer space! You'll excavate dangerous derelict spacecraft, explore strange unknown worlds, exterminate hostile alien life, and examine the horrors that encroach upon your every move. Designed from the ground up to be intuitive to run and easy to play, no system-mastery required. d100. Designed for very fast character generation.
The Player's Survival Guide is the core book.
Fan-made splatbooks to play Ghostbusters using the Savage Worlds system.
Open source greyprints for Braille polyhedral dice.
An official archive all all (and I do mean ALL) Star Frontiers materials from back in the day. Includes 2001 and 2010!
Fan published, approved materials for the OWoD and 20th game lines.
rpg owod endless resource gaming
Different archetypes of RPG plots.
An opensource version of the C-64 game Paradroid. Also, there is an RPG fork of the game (FreedroidRPG).
Steve Jackson Games' official online store.
Download a PDF, print it out, instant graph paper.
Free downloads of older shareware and abandonware games, applications, and utilities.
Somebody wrote up Conspiracy-X rules for Doctor Who! Full of useful information for C-X campaigns.
The official website for a transhumanist-themed RPG which is light on the rules but heavy on the "Wow, my character can do that?!" factor.
Hopefully the stories in here are better than the new batch of official novels.
A wiki full of weird stuff, conspiracy theories, and strange happenings to inspire scenarios in your tabletop or live-action RPG.
A far future RPG in which the players play field agents keeping the peace between a dozen civilizations by any means necessary throughout the universe. Also has strong themes of political intrigue, wonder, and responsibility. Published under the Creative Commons v3 license, though you can purchase PDFs of it from DriveThruRpg.com or buy dead trees from lulu.com if you want to support the project.