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Kelly Gilliam from Suite101 uses knitting math to teach how to substitute yarn not called for in a pattern.
Suite101's Adelle Tilton discusses the importance of gauge.
Knitter's Review is a free weekly online magazine full of information for knitting and fiber enthusiasts.
Learn how to needle knit with on-line videos. Comprehensive site.
Quarterly on-line knit magazine with a plethora of information and free patterns on the site.
Tips & techniques for knitters. Monthly newsletter.
A vodcast about knitting.
Overview of knitting including a section on loom knitting.
Sound advice by Suite101's Kelly Gilliam.
Lots of knitting information, wikipedia style.
Mary Smith offers FAQs, advice, and opinions on this very important aspect of knitting.
Yarndex, the ultimate yarn resource, now features profiles for over 3,000 yarns.
Helpful tips for the Knifty Knitter