I like the app; it has many useful features. Unfortunately, opening it, the UI, and adding new hosts are slow (as is typical for programs written in Java). This makes it inconvenient when working with many hosts. It could probably be improved by leveraging more background tasks or using a more modern and performant development language.

+1 I bought the pro version but stopped using it because is too slow

Windows is only for games; macOS and Linux are for work. Once they catch up, it will be bye-bye Windows.