Below is a quote of resource links that we use over at DragonAvenue.comand I was wondering if you guys had others that we should add to the list.
Keith Baker's blog
Keith Baker's homepage
Worlds of D&D Forum - Mainly Eberron, with authors that pop in from time to time, offshoot of Online-Eberron.com
Comprehensive Eberron Art Thread at the Wizards boards. Currently maintianed at the DnD: Comprehensive Eberron Art Wiki. Please feel free to help out.
Jhonen Olain's Eberron Journal - Lots of cool behind the scenes stuff. Hasn't been updated in quite some time.
Full Res PDF map of Khorvaire - Beware large file. It's a giant vector map of the whole continent, and it's just plain awesome.
The Dragon Above - Formerly the Eberron Bestiary, but has a bunch of other information.
Xen'drik Expeditions - Official RPGA website for Eberron.
Playing Warforged in 4e
Official Playtest 4e Artificer
Keep on the Shadowfell: Eberron Conversion
The Grand History of Eberron: The Grand History of Eberron Viewable online
The Grand History of Eberron at Dragon Above
The Grand History as full download
Artwork by Wayne Reynolds
d20 NPC Wiki Eberron section 3.5 specific (although useful for backgrounds)
Eberron Character Generator - Be aware, a huge resource hog. Takes forever to load except on a very, very fast computer. 3.5 specific
Eberron in Dragon magazine thread - List of Eberron articles and adventures in Dragon magazine. 3.5 and 4e
Eberron in Dungeon magazine thread - List of Eberron articles and adventures in Dungeon magazine. 3.5 and 4e
Eberron Wiki Edition Neutral
Sean Reynold's Eberron Page - Includes his review of Eberron, and a proposal for a series of articles WotC decided not to use. Dated, but still semi useful.
Wikipedia entry Eberron World and Planar Calendar Utility
TV Tropes Eberron
Ecologies of Eberron PDF
Eberron D&D Miniatures (a list of Eberron themed miniatures from the DDM sets).
Eberron: Collection of Articles (Tanslated from Spanish to English)
Eberron Motivational Posters
Populate Volaar Draal Fan made content
1001 Mournland Horrors Fan made content
An Introduction to Eberron One of the better done introductions to Eberron to let your players thumb through.
The Forgotten Forge (fan updated - 1st level)
Heart of the Forbidden Forge (official - 7th level)
[b]4e Specific Eberron Links[/b]
#364 - "Expenditionary Dispatches: Forest of Flesh" by Keith Baker
#364 - "Playing Warforged" by Chris Sims
#365 - "Artificer: Playtest" by Logan Bonner, Mike Mearls and David Noonan
#365 - "Expeditionary Dispatches: Dolurrh's Dawn" By Keith Baker
#367 - "Expeditionary Dispatches: Janus Gull" By Glenn McDonald
#368 - "Backdrop: Graywall" By Keith Baker
#368 - "Expeditionary Dispatches: Stillwater Station" By Glenn McDonald
#375 - "Expeditionary Dispatches: The Mournland Express" By Andrew Schneider
#376 - "Design & Development: Dragonmarks" By James Wyatt
#376 - "Design & Development: The Artificer" By Stephen Schubert
#377 - "Familiars of Eberron" By Jennifer Clarke Wilkes
#377 - "Design & Development: Eberron" by R&D Staff
#380 - "Bazaar of the Bizarre: Dragonshard Items" by Eric Cagle
#381 - "The Warrior Forge Artificer" by Rodney Thompson
#382 - "The Traveler" by Chris Sims
#385 - "Power of the Mind: Kalashtar" by Keith Baker
#385 - "Winning Races: Fighting Styles of the Valenar" by Craig Bishell
#385 - "Winning Races: Warforged" By Logan Bonner
#386 - "Winning Races: Changelings" By Matthew J. Hansen
#386 - "Class Acts: Clerics of Prophecy" By David Adams
#387 - "Winning Races: Shifter - Shifter of the City" By Keith Baker
#387 - "Class Acts: Artificer - Artistry in Technique" By Robert J. Schwalb
#388 - "Heirs of Prophecy - Dragonmarks and the Heirs of Siberys" By James Wyatt
#392 - "The Forge of Xen'drik - Eberron Fiction" By Kay Kenyon
#155 - "Keep on the Shadowfell: Playing H1 in Eberron" by Stephen Radney-MacFarland
#167 - "Heart of the Forbidden Forge" by Luke Johnson
#169 - "Campaign Workshop: The Blasphemer" by James Wyatt
#170 - "Explore Fairhaven"
#172 - "Guardians of the Labyrinth" by James Wyatt
#173 - "Explore Fairhaven: Agents and Enemies"
#175 - "Explore Fairhaven: Villains and Vagabonds" by Jeff LaSala
#175 - "Creature Incarnations: Living Spells" by Peter Lee
#176 - "Haruuc's Tomb: A Novel Adventure" by Craig A. Campbell
#177 - "The Maze of Shattered Souls" By James Wyatt
#178 - "Explore Taer Lian Doresh: Fortress of Fading Dreams" By Jeff LaSala
#180 - "Aerial Battles: Adventures in the Sky" By Robert J. Schwalb
#181 - "Explore Taer Lian Doresh: Agents and Enemies" By Jeff La Sala
#182 - "Backdrop: Q'Barra - Part 1: Blood and Dragonshards" By Keith Baker
#184 - "Explore Taer Lian Dores: Villains and Vendettas" by Jeff LaSala
#185 - "Explore Q'Barra - Part 2: Poison dusk, Black Sun" By Keith Baker
[b]4e Campaigns Being Run[/b]
All Across the Five Nations
Scales of War in Eberron
Shards of Light and Shadow
Eyes of the Lich Queen errata
Miniatures for Eyes of the Lich Queen
Magic Item levels for Eberron
(per the Magic Item Compendium)
Save vs DM Many fan created resources from character sheets to PrCs
If you know of others, feel free to contribute.