Windows

FilePlanet
Hundreds of Starcraft-related files, including maps, utilities, and units.
http://www.fileplanet.com/53118/0/section/StarCraft-Series

Starcraft Map Makers Site
Offers a map archive.
http://lord_0din.tripod.com/index.html

Starcraft Maps and Strategies
Includes maps and strategies.
http://www.angelfire.com/il2/bfroggy/index.html

StarCraft Sector
Includes downloads, hacks, maps, forum, cheats, screenshots, and links.
http://www.starcraftsector.com/

StarCraft Sim
A StarCraft email simulation.
http://www.angelfire.com/ut/starcraftsim/

Starcraft Strats
Designed to help teach strategies. Features strategies by race.
http://www.orgsites.com/ky/starcraftstrats/

StarCraft USA
Maps, hacks, bots, replays, Battle.net utilities, game information, and links.
http://www.angelfire.com/games3/starcraftusa/

Team Liquid
Professional gaming coverage and discussion.
http://www.teamliquid.net