Astral Dynamics
A little light from down under.  Author Robert Bruce’s official website, with articles, tutorials, and workshop information.

Mastering Astral Projection Forums
Get answers about OBE from the authors of Mastering Astral Projection.

BrainWave Generator
Software that generates sound capable of inducing altered states of consciousness ideal for out-of-body experiences.

The Monroe Institute
Dedicated to the exploration of human consciousness.