Question: must have ubuntu apps 2019?
Answer: Geary E-mail Client. Like the majority of Gmail users I tend to read, write, and send e-mail in a browser because it's simple, fast, and works the same across most systems. ... 
Lollypop Music Player. ... 
Google Chrome. ... 
The GIMP. ... 
Kdenlive Video Editor. ... 
Telegram Desktop. ... 
Foliate ePub Reader. ... 
Caffeine.