Blizzard Entertainment - StarCraft: Brood War:Official site with information on new additions to the game.
Campaign Download: A 94 mission campaign to download.
GameSpot's Starcraft Expansion Set: Brood War Game Guide: Features an introduction, race overview, campaigns, and cheat codes.
HD Clan: Includes unit guides and a roster.
StarCraft Brood War Second Expansion: Petition and guestbook for ideas on an expansion set.
Team Liquid: Provides a forum, articles, replays, and a member list.