Accessibility
Optimized for screen and braille readers.
Designed for users who are colour-blind and/or have difficultly with low-contrast images.
Import/Export
Revisionary can import and export files as plain text, Markdown and HTML.
(You can also write documents in Markdown and HTML.)
Distraction-free
Grammar corrections are presented one screen at-a-time.
Leisurely make corrections using nothing more than the arrow keys on your keyboard.