Footy For Kids  -- Great site that has all kinds of information about soccer including: activities, tactics, skills, and sample practice plans for most every age group.

J.A. Kings Strong Soccer   --  Animations of different tactics and plays. Video clips of various soccer dribbling moves.

And-Again  -- Lots of coaching information presented in a discussion forum format.

Decatur Sports  -- Activities, articles, and sample practice plans.

Eteamz Soccer  -- Advice for new coaches, activities.

Better Soccer More Fun  --  Dutch training approach including: coaching tips, activities, and player psychology.

Soccer Coach 101  -- Coaching tips, Activities.

Fine Soccer  -- News letter archive. Over 300 articles covering a multitude of soccer specific topics