just to sum up und avoid missunderstandings.
Name: freeathome
Community Link: https://community.openhab.org/t/busch-jaeger-free-home (this Topic)
Author: @kjoglums
Name: freeathomesytem
(since Version ?? contributed, renamed to freeathome, and merged into the official repository)
Community Link: https://community.openhab.org/t/abb-busch-jager-free-home-official-rest-api
Author: @UhA