FocusWriter is a free and open source Word Processor for Linux and Windows. It is a simple distraction-free full screen word processor. It comes with TXT, RTF, and ODT file support. You can set daily goals, timers and alarms. It is released under open source GPL-3.0 License. Some other important features are you can set Typewriter sound effects on this editor, live statistics and spell-checking support. It also supports Sessions, Multi-document and themes.