Abricotine -
A markdown editor for desktop.
Sorting
Manuskript -
Manuskript is an open-source tool for writers, with outliner, character management, plot development, distraction-free editor, etc.
Ulysses -
Ulysses is a text editor for creative writers. Used by bloggers, poets, students and published novelists all over the world, it offers an integrated environment to brainstorm, draft, revise and even submit text on a professional level.