The goal of Project Zazen is to document the practices of Zen meditation. Zen meditation is a kind of meditation that involves rested bodypostures,  Common Zazen positions include full lotus, half-lotus, Burmese, and seiza. 

The purpose of the Eight Limbs Of Yoga is to provide an eightfold path that may be adhered to reach a state ofliberation. Each limb of yoga focuses on a distinct sutra or a collective belief shared by each limb. 

The purpose of the general meditation project is to provide tones which do not serve an specfic purpose and are a great starting point for begginers who are experimenting with musical tones.