The Dream Tree - A resource center which includes opportunities to participate in research (some scientific, some personal), a calendar of events for dreamers, discussion groups, pointers to projects and artwork, and recommendations for enhancing your dreams and ability to recall them.
The Dreams Foundation - Resources for understanding nightmares, lucid dreaming, sleep research and disorder treatment, precognitive dreams, and dreamwork.
Notes From a Dreamer ... on Dreaming - Bobbie Ann Pimm interprets several of her own dreams and discusses her views of dream interpretation, including her belief that a dream may only be correctly interpreted by its dreamer.
Learning and Dreaming - A Science Friday audio discussion on the science of dreaming featuring Robert Stickgold and Matthew Wilson.
Dreamers United - Uniting dreamers and popularizing dreams and dreaming.