Tangerine is a simple habit and mood tracker that helps you organize your routine, achieve your personal goals and reflect on your life.
Nomie lets you quickly and privately track your mood, and anything that might affect it (sex, drugs, work, etc). Nomie 4 is open source under the MIT license and can store data locally, or encrypted in the cloud w/ Blockstack
Wellness is a mood and medication tracking app that syncs with Apple Health to provide a complete picture of your physical and mental health. Quickly log your mood, add notes, and schedule check-ins during the day. Track medications and vitamins, schedule when to take them and get feedback on your adherence.