RPG Top Sites
Lists of sites categorized by system and genre, ranked by reader votes.
http://www.rpgtopsites.com/

Legolas' RPG
Large index of Role Playing links. Also contains original content like the Stage Setting, the World of Llanowar, Legolas' RPG Fonts, and Legolas' RPG Maps.
http://www.legolas.org/

Fantasylibrary Online
Categorized gaming links and some game advice articles.
http://www.fantasylibrary.com/

About.com: Roleplaying Games
Advice, downloads, links, and convention listings.
http://roleplaygames.about.com/index.htm

RPG Gateway
Large searchable directory of roleplaying game worlds, resources, link sites. Top 100 ranking, button exchange, news.
http://www.rpggateway.com

Wowee: The Roleplaying Directory
A directory of roleplaying game sites. Adds new site submissions instantly.
http://www.sambal.net/wowee/

WebRPG Resource Archive
Collection of miniatures, character sheets, and other resources for use in WebRPG games.
http://rivendell.fortunecity.com/spell/1066/

RPG Kingdomcom
Provides links to RPG games.
http://www.geocities.com/gamingtrend/index.html

RPG Links
A directory of roleplay links.
http://www.ufbs.co.uk/jason/roleplay/rpglinks.html