Starcraft

Blizzardmaps
A collection of all of Blizzard's official designed maps. Either their large number of Map of the Weeks, or the Precursor maps from the SC Demo, or the map exclusive to the N64 version, all can be found here.

Before Resurrection
Author: Blizzard
Required files: Brood War
Mirrors:
Downloads: 1132

Two exciting maps furthering the story of some of your favorite heros, and also taking place directly before the events of Resurrection IV, the secret map from the Nintendo 64 version of StarCraft.
 

Official Map Compendium
Author: Blizzard
Required files: Brood War, for select maps.
Mirrors: Blizzard FTP
Downloads: 4083

The complete collection of Official Blizzard Map of the Week's, Trigger Map of the Month's, and then later Map of the Month's. All designed by Blizzard's Level Design Team.
 

Resurrection IV (Unofficial)
Author: Zero & Drake Clawfang
Required files: Brood War
Mirrors: SCLegacy
Downloads: 479

Ported to the computer by two skilled staffers at SCLegacy, Resurrection IV is the sequel to Deception and Mercenaries II and tells the story of Raynor and an ancient Protoss warrior, Taldarin, who are sent to Braxis by Artanis to deinfest Stukov using a new nanotech serum.
 

The Precursor Campaign (SC Demo)
Author: Blizzard
Required files: None
Mirrors:
Downloads: 321

Journey to the farthest reaches of the galaxy and take command of an elite team of Confederate Marines in the Precursor Campaign. Whether you're new to real-time strategy games or a skilled veteran, you'll be faced by the challenge of leading your troops to victory over powerful and truly alien opponents. Can you restore peace to the fringe-world of Chau Sara?