Game Resources and Generators:
Asmor:
Community Beastiary,
Item finder,
Random Encounter,
Monster Math Cruncher, and
Monster Maker
Chatty’s Tool Roundup,
Dragon Avenue’s Resource Page,
Kiznit's Combat Crib Sheet
Character sheets and cards:
Auto-calculating(.zip),
Scypher's Character Sheet(pdf),
Scypher's Party Sheet(pdf),
Simple play sheet(pdf), and
Dragon Avenue's collection
javascript character generator
Power Cards: Johnny 5
Five Blades of Bahamut (a great custom setting by Chris Chinn)
Setting Overview,
Cults of Bahamut,
Cults of Tiamat,
Quest Seeds,
Airships,
Deities,
Creation Myth, and
Monsters
D&D 3.5 links and campaigns
Website Root
Rules and References:
WotC,
4e Errata,
Compendium, and
SRD;
Chatty's errata highlights
Keep on the Shadowfell: Pregen PCs as pdfs,
PC errata,
Official KotS Errata
RD's Supplement tables
Add-Ons (Note: Many require D&D insider login to access.)
nine Illusionist spells,
warforged update,
drow, gensai, and swordmages,
artificer,
dragonborn details,
more kobolds,
magic weapons,
more rituals
Fan made: Greywulf's Character of the Day,
Bard,
Monk,
Catfolk and Ninja,
Stored Rituals
Theory/Discussion:
Solo Monsters and the Risk of Boredom and
Terrain effects
Reskinning monsters
Adventures and Other Resources:
More encounters and world adaptations for Keep on the Shadowfell,
P3's Premade Campaigns
Forgotten realms wiki