Anusara Yoga http://www.anusara.com/pop
A system based on Hatha Yoga founded by John Friend. Information on the Yoga, its philosophy, teachers, and centers.
Ergo Yoga http://www.ergoyoga.com/pop
Information on how Yoga can help with computer related health hazards such as carpal tunnel syndrome, repetitive strain injuries, and computer vision syndrome.
Laya Yoga http://himavanti.org/enpop
Laya Yoga is a practical art of meditation and contemplation based on the ancient knowledge relating to chakras (energy centres). Information on the concepts and practice.