Body Results: Includes a series of article on training for climbing, including training during the off-season.
Build Your Own Hand Crack: Instructions for building an artificial hand crack. Includes materials and building plans.
Cave Nick: Description of building "Cave Nick" along with photos of it being used.
Concrete Climbing Holds by Sam Shank: How to make holds out of concrete.
Home Gyms FAQ: Answers to frequently asked questions about building and using a home wall compiled from rec.climbing.
Indoor Climbing: Topics for climbing training ranging from exercise to nutrition. Home Wall information. A list of gyms in North America. The Cyber Climber climbing game.
Linseth Climbing Wall at Cornell: Contains the email address of someone injured at the Linseth wall, looking for others with similar experiences.
Metolius Climbing How To's: How to: Build A Climbing Wall, Use & Install Campus Boards, Use A Fingerboard, Install Inset Holds, Install A Climbing Simulator, Use A Climbing Simulator. Pages on training routines.
rockcomps: Home of the American Bouldering Series. Competition results. Schedules. Photos.
Southern Indoor Bouldering League: UK-based competitive bouldering league. Schedule of competitions. News and results.
StephenWilliamson.com: An article on making your own polyster resin climbing holds.
Stupid Guide to Climbing@Home: Includes guides to building a home wall, route setting, and making your own crashpad.