As you may know, Notepadqq is an open-source clone of Notepad++, written in QT. Among other features of Notepadqq, its worth writing about its syntax highlighing for the most popular programming languages, search-find-replace through regular expressions, split-screen, bookmarks, code folding, et cetera.
The latest version available is Notepadqq 1.4.4, which has been recently released, bringing a few changes only.
Due to the fact that it is available as a snap package, installing on Ubuntu 18.10 Cosmic Cuttlefish, Ubuntu 18.04 Bionic Beaver, Linux Mint, Elementary OS and other Ubuntu derivative systems is easy.
All you need to do is install snapd (if you don’t have it already) and install the notepadqq stable package via snap:
$ sudo apt-get install snapd
$ sudo snap install --classic notepadqq
Optional, to remove notepadqq, do:
$ sudo apt-get remove notepadqq