DiabloII.net
Includes news, files, character profiles, monsters, spells, skills, quests, strategies, active forums, and interviews.

GameSpot: Designer Diary for Diablo II
A pre-beta archive of Blizzard development team comments to fans.

Darkness
Monster news, NPCs, fan fiction, and editorials.

Diablo II Realm
Large fan art collection, downloads, forums, interviews, and news.

A Nocturne for Diablo II
Offers news and game information.

Diablo II Land
Information, screenshots, equipment lists, save games, character profiles, item, and wallpapers.

Diablo 2
Cheats, hints, weapon guide, walkthrough, screen shots and trainers.

Diablo 2 Asia
Offers news, game information, strategy, forums, and technical support [English, Korean].

Diablo Forge
News, item information, and forums.

GameSurge - Diablo Revealed
Contains information on the storyline, screenshots, and removed quests.

Diablo 2 Land
News, forum, set items, and game information.

Diablo Tip
Directory and search engine.

Diablo II Walkthrough and Guide
Characters, screen shots, and walkthrough.

Diablo 2 Necromancer's Source
Spells, strategies, equipment, and forums.

Blizzard Entertainment
Official site by Blizzard Entertainment. Provides patches, updates, forums and technical support.

PlanetDiablo
Features an item gallery with detailed statistics, walkthroughs, class details, and forums.

Diablo is Back
Features hacks, trainers, strategy guides and class information.

Diablo 2 Depot
Includes hacks, modifications, cube recipes, and character downloads for open Battle.net.

Diablo Realm
Message boards, polls, downloads, links, member's area and news.

Warrior Nation
Game information, message boards and patch information.

Diablo World
Community including discussion, news, and a member list.

GameSpot
Reviewed by Desslock, [8.5/10]. "Has incredible replay value, and most importantly, it offers a lot of addictive gameplay in either the single-player or the multiplayer mode."

RPG Expert
Offers articles for the power player.