FTE is a free text editor for developers. It is really powerful, yet very easy and intuitive to use.
Ports that can be compiled from the current source tree include OS/2, Win32 console, DOS, Linux console and an X port for many UNIX'es, including Linux, AIX, Solaris, HP, and Cygwin. An incomplete UNIX terminal port (using s-lang) is also available.
Platform: Cross-platform; License: GNU GPL
Reference:https://fte.sourceforge.net/