This was originally compiled by Griff over at 339, then ported to BG by Surreal. I've found it useful, so wanted to make sure it got ported over before the old boards go away for good.
o Any
Aereni Focus - Player's Guide to Eberron (p.20)
Skill knowledge - UA (for use with UA Variant skill system) *check with your DM*
o Appraise
Apprentice (craftsman) - DMG II (also know: architecture and engineering)
Draconic heritage (Type) – Races of the dragon (sorcerer only)
o Balance
Martial Study (Iron heart/stone dragon) – tome of battle
o Bluff
Apprentice (criminal) - DMG II (also gather info)
Greensinger initiate – Ebberon campaign setting (requires spontaneous summon natures ally) (adds others)
Draconic heritage (Type) – Races of the dragon (sorcerer only)
o Climb
Far horizons [initiate] – Races of destiny (cleric only) (adds others also)
o Concentration
Apprentice (martial artist) - DMG II (also tumble)
Draconic heritage (Type) – Races of the dragon (sorcerer only)
Martial Study (diamond mind) – tome of battle
o Craft
o Decipher Script
o Diplomacy
Apprentice (entertainer) - DMG II (also perform)
Draconic heritage (Type) – Races of the dragon (sorcerer only)
Martial Study (white raven) – tome of battle
o Disable Device
Initiate of Gond – Players guide to Faerun (cleric only) (also adds Open lock)
o Disguise
Draconic heritage (Type) – Races of the dragon (sorcerer only)
City Slicker – Races of destiny, (adds others also)
Silverbrow Human (race) - Dragon Magic
o Escape Artist
Draconic heritage (Type) – Races of the dragon (sorcerer only)
o Forgery
City Slicker – Races of destiny, (adds others also)
o Gather Information
Apprentice (criminal) - DMG II (also bluff)
Ecclesiarch – Ebberon campaign setting (adds Knowledge(local) also)
Draconic heritage (Type) – Races of the dragon (sorcerer only)
City Slicker – Races of destiny, (adds others also)
o Handle Animal
o Heal
Draconic heritage (Type) – Races of the dragon (sorcerer only)
Glimmerskin Halfling (race) - Dragon Magic
o Hide
Greensinger initiate – Ebberon campaign setting (requires spontaneous summon natures ally) (adds others)
Draconic heritage (Type) – Races of the dragon (sorcerer only)
Martial Study (shadow hand) – tome of battle
Forestlord Elves/Half-Elves (race) - Dragon Magic
Nightbringer Initiate (feat) - Magic of Eberron
o Intimidate
Apprentice (soldier) - DMG II (also know: local)
Martial Study (devoted sprit) – tome of battle
Dread Tyranny [initiate] – Races of destiny (cleric only)
o Jump
Far horizons [initiate] – Races of destiny (cleric only) (adds others also)
Martial Study (Tiger claw) – tome of battle
o Knowledge
All: Education – Ebberon Campaign setting
All: Draconic Knowledge, (requires Draconic heritage) - Dragon Magic
Any: Apprentice (philosopher) - DMG II (also sense motive)
Any: Apprentice (spellcaster) - DMG II (also (ab)use magic device)
Any: Knowlege Devotion (feat) - Complete Champion
Any: Primordial Giant (template) - Secrets of Xen'drik
Arcana: Arcane insight [initiate] –races of destiny (cleric only)
Architecture and engineering - Apprentice (craftsman) - DMG II (also apraise)
Dungeoneering: Draconic heritage (Type) – Races of the dragon (sorcerer only)
Local: Apprentice (soldier) - DMG II (also intimidate)
Local: Ecclesiarch – Ebberon campaign setting (adds Gather info also)
Local: City Slicker – Races of destiny, (adds others also)
Local: Draconic heritage (Type) – Races of the dragon (sorcerer only)
Nature: Apprentice (woodsman) - DMG II (also survival)
Planes: Keeper of forbidden lore [abyssal heritor] - Feindish codex 1 (also spellcraft)
Planes: Gatekeeper initiate – Ebberon campaign setting (requires spontaneous summon natures ally)
o Listen
Draconic heritage (Type) – Races of the dragon (sorcerer only)
Whispered secrets [initiate] – Races of destiny (cleric only) (adds others also)
o Move Silently
Draconic heritage (Type) – Races of the dragon (sorcerer only)
Nightbringer Initiate (feat) - Magic of Eberron
Viletooth Lizardfolk (race) - Dragon Magic
o Open Lock
Initiate of Gond – Players guide to Faerun (cleric only) (also adds Disable dev)
o Perform
Apprentice (entertainer) - DMG II (also diplomacy)
Greensinger initiate – Ebberon campaign setting (requires spontaneous summon natures ally) (adds others)
Draconic heritage (Type) – Races of the dragon (sorcerer only)
o Profession
o Ride
o Search
Draconic heritage (Type) – Races of the dragon (sorcerer only)
o Sense Motive
Apprentice (philosopher) - DMG II (also a knowledge)
Martial Study (setting sun) – tome of battle
o Sleight Of Hand
o Speak Language
Gift of tongues – Races of Faerun (elf only)
o Spellcraft
Keeper of forbidden lore [abyssal heritor] - Feindish codex 1 (also know: planes)
o Spot
Draconic heritage (Type) – Races of the dragon (sorcerer only)
Whispered secrets [initiate] – Races of destiny (cleric only) (adds others also)
o Survival
Nature: Apprentice (woodsman) - DMG II (also know: nature)
Draconic heritage (Type) – Races of the dragon (sorcerer only)
o Swim
Draconic heritage (Type) – Races of the dragon (sorcerer only)
Far horizons [initiate] – Races of destiny (cleric only) (adds others also)
o Tumble
Apprentice (martial artist) - DMG II (also concentration)
Martial Study (desert wind) – tome of battle
o Use Magic Device
Apprentice (spellcaster) - DMG II (also a knowledge)
o Use Rope
Cleric domains which grant new class skills:
Appraise
Pact - Spell compendium (also Intimidate, sense motive)
Wealth - Spell compendium.
Bluff
Baator [planar] - Spell compendium
Dragon - Spell compendium (also Intimidate)
Envy - Spell compendium
Trickery - PHB (also disguise and hide)
Disable Device
Kobold - here (also search and trapfinding ability)
Disguise
Trickery - PHB (also bluff and hide)
Hide
Trickery - PHB (also bluff and Disguise)
Intimidate
Abyss [planar] - Spell compendium
Dragon - Spell compendium (also Bluff)
Herald - BOED
Pact - Spell compendium (also appraise, sense motive)
Knowledge
All: knowledge - PHB
Nature: Animal - PHB
Nature: Plant - PHB
Search
Kobold - here (also Disable device and trapfinding ability)
Sense Motive
Celestia [planar] - Spell compendium
Pact - Spell compendium (also appraise, intimidate)
Survival
Arborea [planar] - Spell compendium
Travel - PHB