stimmungskalender is a mood calendar. It is a simple but effective way of keeping track of your daily mood and sleep.
This can can help you identify patterns to establish a better understanding of your wellbeing or sleeping habits.
It's built with Django and can be self-hosted.

The easiest way to get stimmungskalender up and running is with Docker. See: docker.md
There is also a faq.md.
An OpenAPI 3.0 schema can be accessed under /api/schema/ and swagger under /api/schema/swagger-ui/.