I wouldn't call three of those p2p and one of them doesn't even deserve the description "encrypted".
The probably is that the proper p2p encrypted messaging tools have a UI that either absolutely sucks or they have other, similar problems. Problems you have when you can't afford a UI/UX designer.
The probably is that the proper p2p encrypted messaging tools have a UI that either absolutely sucks or they have other, similar problems. Problems you have when you can't afford a UI/UX designer.