I understand it's early in the project and you are still nailing things down, but please consider open sourcing your project. Not being able to support things like smaller protocols (Spark, MS Teams, etc.) and legacy platforms (IRC) go away when others have the ability to contribute. Don't get me wrong, nothing comes for free and managing contributors is often times very difficult. Regardless, I think it's worth it. Plus, being able to see the source and build it ourselves is very important for this type of security sensitive project.
Thank you for your effort and I'm looking forward to using Eul quite a bit in the future. :)