General
A Guide to Free OSR Stuff on the Web from the Underdark Gazette
OSR News from the Underdark Gazette
Finding Players
"I can't find any players!" by James Raggi
Getting a Game Group and Keeping It by Kyle
Playing
Beasts by Zak Smith
Game Theory
How Hard Should That First Session Be? by Zak Smith
Getting Around The Uncertainty Principle by Zak Smith
The Main Points of the Game by Zak Smith
Like Playing Monopoly With Squatters by Zak Smith
Some Characters Are More Equal Than Others by UncleBear
Refereeing
Guide to Adventure Writing by James Raggi
Running Combat by Justin Alexander
Dungeons
Tunnels and Trolls Advice thread at The Forge
Dungeon Mapping by Melan
Megadungeon Mapping thread at Dragonsfoot
Examples of Good Map Design a Dragonsfoot thread
Dungeon Maps from Paratime Design
Dungeon Maps thread at Dragonsfoot
Hidden Chests by Sham
Megadungeon - Random Area Name Generator from Beyond the Black Gate
Weird Scenes Inside the Dungeon from The Underdark Gazette
The Dungeon Is Trying To Eat You! from The Underdark Gazette
Year of the Dungeon a blog with cute little dungeon maps.
Adventures
The Big List of RPG Plots by S. John Ross
The Three Clue Rule by Justin Alexander
Campaigns
How to Make a Fantasy Sandbox by Rob Conley
Other Knobs to Play With by Rob Conley
Is this how D&D is supposed to be played? by James Raggi
"A Game About Finding Money" by James Raggi
Some More Nice Things About Dungeons by Zak Smith
Notes, Assumptions, and Conclusions About Travel In A Sandbox by Zak Smith
Character Classes
The Alchaemist, a magic-user subclass for AD&D by E. G. Palmer
Monsters
The Unexpurgated Dragon Generator by E.G. Palmer
Revised Random Angel Generator from The Underdark Gazette
Alphabetical Monster Thing by Zak Smith
The Book of Beings by David C. Lovelace
A Hamsterish Hoard of Dungeons and Dragons
Magic Items
Putting the "Magic" in Magic Items by Justin Alexander
A Hamsterish Hoard of Dungeons and Dragons
Spells
A Hamsterish Hoard of Dungeons and Dragons
House Rules
Dungeons and Dawn Patrol by Jeff Rients
Party Like it's 999 by Jeff Rients
Thieves? Herbalists? Etc? Introducing the "Good-At" System by bohemian
History of D&D
D&D/AD&D Product Chronology by Chris Tichenor
OD&D to AD&D2e by James Mishler
AD&D's Lost Second Edition by Joseph Bloch
OD&D and Classic D&D
Robert Fisher's Classic D&D page
OD&D Resources - Links and pdfs from Jason Vey, including the Age of Conan supplement.
Gary Gygax and Greyhawk
Gary Gygax’s Whitebox OD&D House Rules at Cyclopeatron
AD&D's Lost Second Edition by Joseph Bloch
Carcosa
Welcome to Carcosa by Jeff Rients
