Adlerkorps: Provides equipment and scenario downloads. Also has a message forum.
Builders Paradise: Offers maps, scenarios, campaigns, and equipment information.
Herr General: Offers scenarios.
RhinoBones' Home Page: Offers scenario downloads.
Steve's Panzer General 2 Site: Campaigns and modifications.
The 5 Star General: Features campaigns, scenarios, utilities, equipment files, patches, and links.
The 7th Panzerarmee: Furnishes custom built campaigns.
The Armory: Includes campaigns, scenarios, and equipment information.
The Battle Group: Offers an international membership from more than 30 countries. Competitive playing formats for WW2 scenarios and campaign simulation.
The Panzer General Zerstorer: Provides downloads and documentation.
The PanzerStef PG2 site: Information, tips, custom scenarios, and campaigns. Also, includes tips for PG3D.
Tortoise Page: Offers custom scenarios and campaigns.