NWN2 Community Sites

The Developers

 * Official Forums
 * Robs Blog
 * Obsidian Forums

The Publisher
Atari

Community Sites

 * The NeverWinter Citadel Project
 * Thieves-Guild.Net

The Vault, with mods

 * Neverwinter Nights 2 Vault

Building

 * NWN2 Toolset Guide
 * NWN2 Forge


 * Neverwinter Source


 * Neverwinter Nights 2 Community Conversion Project

Character Builds



 * Epic Character Builders Part Deux


 * Randomdood's Cleric Guide


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Most Damage Sorceror Build http://nwn2forums.bioware.com/forums/viewtopic.html?topic=609750&forum=109&sp=0 The broken/weird/not-quite playable builds thread
 * Battle of the Builds Module