Focus: How Many Different Types of Knot are there? – Short article.
NetKnots: Rope Knots – Site features easy to follow knot tying illustrations and animated knots for tying over 140 of the best knots.
Outdoor Life: Essential Knots: How to Tie the 20 Knots You Need to Know – Scroll through the selections by clicking on “Next” and “Previous”. Instructions are below the main picture.