Write!

Write! is a text editor for Windows, macOS and Linux. It is targeted at people who write short form pieces and want focus on text, as opposed to toolbars and navigation. It also has rich-text functionality, productivity and collaboration tools, native Cloud and its own publishing platform.
File formats.
The app supports inputs in the formats of .txt, .wtt, .rtf, and .mdown. It can export in .html, .pdf, .odt, .docx, .txt, and .mdown. 