Colophon and licences

Who

Emthera is developed by Mark Dielessen.

Emthera is an independent project. It is not made or supported by BBQKees Electronics. "BBQKees" and "Gateway E32" are names of BBQKees Electronics; they appear here only to say what the software runs on today.

Questions

Report questions and problems in the issues of the public repository.

Origin

Emthera started as OpenThermostat by Pawel Filipczak / intuibase, released under the MIT licence. Emthera was built further on it. Until 13 November 2026 the project was called OpenThermostat.

Licences

The Home Assistant integration: MIT licence, see LICENSE. Copyright (c) 2024 Pawel Filipczak.
The firmware: closed source, not public.
The typeface of the name next to the logo: Outfit, under the SIL Open Font License 1.1.
The manuals on this site come from the public repository of the integration.