zWrite is a simple word processor.
It can import and export RTF (rich text) files.
It can import plain text files.
It can import plain HTML files.
You can have multiple documents open at once.
It supports printing.
Many fonts and font sizes are supported.
Text can be bold, italic, underlined, and/or struck-through.
Fixed an issue that could affect iPad users.
iPyramid 
iRAW 
iSystem 