Hi @GuillaumeAV,
It would be nice to have something of a roadmap on your future plans and direction for the project. Your tagline of “Fostering interconnections between communities” is intriguing and I would like to know more about your positioning in that regard.
Other mutualisation + synergies I just posted Aligning efforts in LD schema / ontology design + adoption which is a common concern besides spec standardization + alignment. Regarding the latter, I see you are making opiniated choices in SemApps, like dependency on WebID module, where imho you should take care not to have them become fixed requirements for users of SemApps, i.e. make alternatives easily re-configurable with minimal coding.