Dysfunctional Thought Record (methods to challenging cognitive distortions). Works great for anxiety and anger, for me.

Playing through expected stressful or triggering experiences in a positive and reasonable way before facing them (kind of like a positive rehearsal). Great for anxiety, anger, and prevention of potential depersonalization or derealization, for me.

Grounding techniques. Great for anxiety, anger, prevention of depersonalization/derealization, and to a degree over-stimulation that may lead to mood elevation.

Various methods of deescalating mood elevation (i.e. avoid overstimulating situations, take prn, try to focus on a task/project that soothes or better directs/calms thinking, avoid caffeine/alcohol, etc.)

Various methods of fighting off depression and related symptoms (challenging cognitive distortions, creating "To Do" lists for both necessary tasks - with positive rewards, etc.)