Starcraft Map Makers Site
Offers a map archive.

Starcraft Maps and Strategies
Includes maps and strategies.

StarCraft Sector
Includes downloads, hacks, maps, forum, cheats, screenshots, and links.

StarCraft Sim
A StarCraft email simulation.

Starcraft Strats
Designed to help teach strategies. Features strategies by race.

StarCraft USA
Maps, hacks, bots, replays, Battle.net utilities, game information, and links.

Starcraft World
Hacks, maps, bots, Battle.net utilities, strategies, and links.