Scrivener - Scrivener is a content-generation tool for composing and structuring documents.
Microbit - BBC's handheld, programmable computer given free to UK kids
Manuskript - Open-source tool for writers.
Novlr - Online word processor and organizer for novel writing.
Final Draft - Use your creative energy to focus on the content; let Final Draft take care of the style.
Dabble Writer - Writing software for novelists.