Notepad++ under Ubuntu: notepadqq....
It is suitable for users who transfer from Win platform to Linux platform.
If you have been using nodepad++ under Win before, I recommend you try this editor under Linux: notepadqq
The introduction page of notepadqq: http://itsfoss.com/notepadqq-notepad-for-linux/
Installation method under Ubuntu:
sudo add-apt-repository ppa:notepadqq-team/notepadqq
sudo apt-get update
sudo apt-get install notepadqq
How to uninstall under Ubuntu:
sudo apt-get remove notepadqq
sudo add-apt-repository --remove ppa:notepadqq-team/notepadqq