The Dapper library and tools are licenced under Apache 2.0: http://www.apache.org/licenses/LICENSE-2.0

The Dapper logo is copyright Marc Gravell 2021 onwards; it is fine to use the Dapper logo when referencing the Dapper library and utilities, but
the Dapper logo (including derivatives) must not be used in a way that misrepresents an external product or library as being affiliated or endorsed
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without written permission. If in doubt: ask.