http://www.fearfighter.com/ a computer-based program to reduce anxiety

http://www.snout.com/snippet/therapy/ try a simulated therapy session with a rabbit

http://psychcentral.com/depquiz.htm a depression quiz

http://www.healthyplace.com/site/tests/psychological.asp several assessment scales

http://www.healthyplace.com/site/support_groups_hp.asp online support groups

http://www.metanoia.org/ “an …independent consumer guide to therapists and counselors who provide help over the Internet - compiled by consumers, for consumers”

http://mentalhelp.net/selfhelp/ a large site that lists a very wide range of online peer-to-peer support groups