For information, help, and support for people who are depressed visit the Mind website
Also visit the SANE website
For information on what you can do to help cope with mental health and useful information on mental health treatment from a UK perspective visit the Royal College of Psychiatrists website
This is a very helpful summary of useful self-help approaches to depression from the Royal College of Psychiatrists: Help is at hand - (80KB PDF)
To find the nearest cognitive behavioural therapists to where you live visit the British Association of Behavioural and Cognitive Psychotherapy (BABCP) website
Healthline provides a very comprehensive overview of bipolar disorder as a critical starting point for individuals and/or their loved ones. For more information the Healthline website.
The Samaritans provide a telephone support line for anyone struggling with their mental health.
Young minds provide mental health support for young people and parents.
Rethink is a national mental health charity: information, services & a strong voice for everyone affected by mental illness - challenging attitudes and changing lives.