Joplin
Open Source
Joplin is an open-source free note taking and to-do application.
Typora
Free
Typora will give you a seamless experience as both a reader and a writer.
JDarkRoom
Free
JDarkRoom is a simple full-screen text file editor with none of the usual bells and whistles that might distract you from the job in hand.
FocusWriter
Open Source
FocusWriter is a simple, distraction-free writing environment.
PyRoom
Open Source
PyRoom is a full-screen writing program with the purpose of isolating the user from the operating system and other applications.
Compare ZenWriter with alternatives
Compare FocusWriter and ZenWriter and decide which is most suitable for you.
Compare JDarkRoom and ZenWriter and decide which is most suitable for you.