The advantage of this editor is "Focus Mode & TypeWriter Mode. Focus mode help you to focus only on current line, by blurring the others. Typewriter mode will always ensure current active line is in the middle of the window."
Unfortunately without administrator rights can not be installed
The software has the source code https://github.com/typora
It seems to me that a lot of fans IA Writer for Mac and persons with concentration disorders
do not have administrative rights may have to be interested.