Proprietary parts had been mentioned in the context of Organic Maps - their map generator is partially closed source, and even OM F-Droid build includes some proprietary assets.
In CoMaps we are serious about being 100% FOSS and this is one of the reasons we've forked from OM.
In CoMaps we are serious about being 100% FOSS and this is one of the reasons we've forked from OM.