The CommsChampion Ecosystem contains multiple components, each one is licensed separately:

Component	License	Details
COMMS Library	MPL-2.0	The core component of the ecosystem, can be used in any closed source project as long as any modifications to the library itself remain open source.
CommsChampion Tools	GPLv3	The tools use open source Qt5 which require compatible license. The tools are expected to be used on the development PC to debug / visualize the protocol and are not part of any end product.
CommsDSL Specification	cc-by-nd	The specification text is provided under Creative Commons Attribution-NoDerivatives 4.0 International License
libcommsdsl	Apache-2.0	Library for parsing CommsDSL schema files allows implementation of independent tools.
libcommsdsl2comms	Apache-2.0	Protocol code generation tool, also provided under permissive license.

In case any of the default license specified above is not good enough for your needs please feel free to inquire about any custom license you might need.