Good Heavens

Fargoth World Building Project
Features some nice maps, graphics and political information with original races, monsters, and flora and fauna. A generic gaming world for all systems. A mailing list is available for would-be collaborators.
www.fargoth.com/

Dave's Kayak Building
Details of building a Chesapeake LT17, a 17 foot sea kayak.
www.frontiernet.net/

Tabolport
Reference files for a fantasy city setting created by USENET contributors. Includes history, people, factions, and world notes.
web.mit.edu/

Raieh Fractal Planet
Listings for geography, history, art, languages, and culture from various contributors. The site also hosts a fractal world generator, used in this setting's design.
raieh.homelinux.net/

Building a Redwood Canoe - Strippers Guide
Details photographs, instructions, tips and troubleshooting for constructing a redwood canoe. Also includes related links.
wooden_canoe.tripod.com/

Orion's Arm
A collaborative science fiction multi-race universe. Site contains numerous scientific, cultural, historical, and atlas entries as well as a beginner's guide, mailing list, FAQs, and community news.
www.orionsarm.com/

Bamboo Building Products
Wholesale and importers of bamboo flooring, woven and compressed bamboo ply, and bamboo furniture. Contact for shipping outside of Australia.
www.bamboobuildingproducts.com/

A Technical Guide To Building Fighting Robots
Lots of detailed information about designing and building fighting robots, including the physics behind different weapons, speed controllers, motors and batteries.
homepages.which.net/

Tech Building Systems, Inc
Offering pre-engineered steel as well as metal buildings, building construction, erecting, and sales.
www.techbuildingsystems.com/

Dead Dragon Society
A community of game developers, authors, and roleplayers engaged in construction of a shared fantasy world for use with the d20 system. New participants are encouraged.
www.deaddragon.com/