This is a selected list of organizations. More detail on some is given in the attached pages. Please see the Resources sections at these organizations' websites for more resources.
Top two organizations:
Council for Evidence-based Psychiatry (UK)
Recovery
National Empowerment Center
National Coalition for Mental Health Recovery
Western Mass RLC: Healing and Recovery through peer support.
Alternatives, Choice and Advocacy
Mindfreedom Ireland
National Association for Rights Protection and Advocacy
Dignity and Advocacy Network
International Network Toward Alternatives and Recovery (INTAR)
Freedom Center
Children & Youth
Law
Human Experience
"The Icarus Project is a support network and education project by and for people who experience the world in ways that are often diagnosed as mental illness."
Psychiatry -- General
Center for the Human Rights of Users and Survivors of Psychiatry (USA)
World Network of Users and Survivors of Psychiatry
Critical Psychiatry Network / The International Critical Psychiatry Network
The International Institute for Psychiatric Drug Withdrawal
Psychiatry -- Integrative
The Institute for Integrative Psychiatry
Psychosis
Medicine
Rxisk - "Making medicines safer for all of us."
Lists of Organizations
NARPA Resources List
Consciousness Organizations (see attached listing)
Other
Center for Cognitive Liberty and Ethics
National Self-Harm Network (UK)
Please add other organizations you think should go here in the comments. Thanks.