Technical Resources - From the Association of Canadian Mountain Guides
The link goes to a collection of gear lists but on the left side is an index to additional material.
"Tech Tips" - From the newsletters of guide Jim Frankenfield
Each periodically released newsletter generally had some sort of tehcnique or tip. Like the newsletters themselves these are oriented towards recreational climbers although they vary in complexity. The newsletters are on a hiatus an may or may not return at some point, but this archive has all past tips.
How-to Database and Tognar Blog - From Tognar Tools
Everything you want or need to know about ski and snowboard maintenance and tuning.