Opens and saves .docx. Styles, headers/footers, page numbers, tables, images, charts, equations, footnotes, comments and tracked changes carry over.
Track changes and comments, with accept/reject one at a time or all at once.
Opens PDFs as editable text, and exports to PDF, ODT, RTF, HTML, Markdown and plain text.
Offline grammar and spell check.
Full right-to-left support. The interface is in English, French and Arabic.
It's free, with no ads, no account and no subscription.