Most Helpful Links for Naruto Information

Leaf Ninja.com - Leaf Ninja is one of the largest, and one of the first, databases on everything within Masashi Kishimoto's beloved story.

Naruto Wiki! - Probably your best source concerning in depth information on characters, clans, and nearly ALL of the jutsu in Naruto. Nearly everyone uses this site as their reference to keep on track with what is canon, like what canon jutsu you might want to learn, or a basis for the submission of a canon clan you wish to run.

Ofcourse if there's something you didn't find that you need help clarifying, use GOOGLE or talk with someone in the Chat Box. Someone is bound to know what you need.