The Art of Ninjutsu - - History and information about the art of the ninja. Features weapons, movies, schools, gallery, links and general information.
Enter the Ninja - - Information on various aspects of ninja discipline including on training, weapons, and kuji-in. On-line media files are available. Features video games, movies and books based on the ninja.
Hoshin Roshi Ryu Imazuma Dojo - - The Official Home Page of Hoshinjutsu Roshi Ryu. The site features information about the school as well as curriculum and photo album.
Long Island Ninjutsu Centers - - Martial Arts school offering Ninjutsu and Jujutsu. The site also offers information about the dojo, forum, photo gallery, articles, and an online shop.
Ninjutsu Stuff - - A web site geared toward the practitioners of ninjutsu, particularity those Bujinkan. It offers information about classical and modern ninjutsu from the Bujinkan point of view.
Ninpeden Dojo - - Offering training in the Genbukan Ninpo Bugei and Kokusai Jujutsu Renmai tradition, with schools in Elizabeth and Parker, Colorado.
Ninpo Taijutsu - - The site represent a dojo teaching traditional Japanese samurai and ninja martial arts. The dojo is located in the UK.