Iasos. Essays regarding spirituality, music, etc. RealPlayer clips of the music.  

IDynamics Online. Information regarding affirmations, etc.

Imagination Institute. Information regarding imagination, visualization, etc.

Imagination, Mental Imagery, Consciousness, and Cognition. Essays regarding imagery.

Imagine Magazine. Essays regarding personal growth, etc.

In Light Times. A metaphysical publication. Some articles are online.

InnerConnection To Success. Free samples from a newsletter of personal growth, etc.

Inner Journey. Downloadable books regarding spirituality.

InnerSelf Magazine. Online magazine with articles on spirituality, meditation, health, etc.

Inner Sources Publications. Inspiring articles and poems.

InnerSpace - The Writings Of Julia White. Essays regarding self-awareness, etc.

Inner-Views. Online new-age magazine.  

Inner Voice Magazine. An online new-age magazine.

Insight Magazine. An online spiritual magazine.  

Inspirational Center. Essays of inspiration, motivation, spirituality, etc. 

Inspirational Hall. Uplifting stories, affirmations, quotes.

Inspiration Place. Daily inspirational quotations.

Inspired Living. Essays and stories for inspiration and motivation.

IntegralSpirit. Essays regarding spirituality.

Integral Yoga of Sri Aurobindo and the Mother. Information regarding Integral Yoga.

Interlude. Inspirational quotes -- a new one every day.  

Intuita Mind-Lab. Essays regarding intuition.

Intuition Network. Information regarding intuition.

Inward Journey. Essays regarding spirituality, etc.

IS - Spiritual Insights. An online new-age book.