Dave's OSR/Classic D&D Adventures, Mini-Settings, etc

Many of the following can be used with fantasy or switched to other time periods with little effort.

Colonial/Elizabethan/Victorian
The Haunted Valley Sandbox Page
The Hand of Doom: Colonial/Fantasy/Victorian/Adventure
The Hyena: OSR Victorian Mini-Adventure
Dr. Theophilus' Travelling Show (An OSR Murder Circus) 

OSR Survival Horror
House of Darkness: OSR Survival Horror/Savage Worlds Adventure
Hellcamp: An OSR Survival Horror Adventure
Run Piggy, Run! OSR Survival Horror Setting/Mini-Adventure
Dawn of the Dead 1979: OSR Survival Horror Funnel Idea
The Brass Bull: OSR Survival Horror B-Movie Adventure Seed
John Carpenter's The Thing: Outpost 31 and Personel for a OSR Survival Horror Movie Mini-Adventure
John Carpenter's The Thing: The Thing from Another World Stats

Hyboria
The Serpent Tower: An OSR Hyborian (Conan) Mini-Adventure)

Intermediate Years/WWII
Midnight at Taniere de Loup: An OSR WWII Mini-Adventure
The Island Fiend: Horror Adventure for Savage Worlds

Funnels
Cavemen vs the Fire Apes! OSR prehistoric Mini-Adventure Part I
Cavemen vs the Fire Apes! OSR prehistoric Mini-Adventure Part II
Cavemen vs the Fire Apes! OSR prehistoric Mini-Adventure Part III