Downloadable links to seven mental health diagnostic tools. The PHQ contains the mood (PHQ-9), anxiety, alcohol, eating, and somatoform screeners. The PHQ-9 screens for depression. GAD-7 is a brief scale for anxiety. PHQ-15 is for diagnosis of somatoform disorders. PHQ-SADS covers the somatic, anxiety and depressive triad of disorders because they often present together. The Brief PHQ and PHQ-4 are brief screening forms.
Mental Health America is a non-profit organization advocating early identification of mental health conditions. They have a variety of self diagnosis screens on their site. Screens include depression, anxiety, psychosis, bipolar, eating disorders, PTSD, addiction, & work health.