Armored Core Xtreme
Includes weapons, tips, tricks, tactics, parts list and stats.

Gaming Legacy: Armored Core
Offers game features, story, screen shots, and cheat codes for both series titles and expansion sets.

Armored Core Garage
Mission hints, arena tips, hidden parts, codes and cheats, media, and model information for Armored Core, Project Phantasma, Master of Arena AC 2 and 3, and Another Age.

Orion Hunters
Contains forum, with discussion and ratings.

The Raven's Haven Forums (Powered by Invision Power Board)
Forums for the Armored Core series fanbase.

Armored Core Nexus
This is a fansite devoted to the yet to be released Armored Core Nexus. It has great info on parts, stats, and design changes expected in this sequel.

The Core
A Role Playing Game forum set in the Armored Core universe. Also features non-Armored Core RPG's

Inner Core Forums (Powered by Invision Power Board)
Forums for the Armored Core series fanbase.