Novelist is described as 'A portable writing assistant for novelists' and is a Novel Authoring Tool in the News & Books category. There are more than 10 alternatives to Novelist for a variety of platforms, including Windows, Linux, Mac, Online / Web-based and SaaS. The best alternative is Zettlr, which is both free and Open Source. Other great apps like Novelist are Manuskript (Free, Open Source), Scrivener (Paid), Roam Research (Paid) and Quoll Writer (Free, Open Source).
Zettlr is a supercharged markdown editor that combines many writing editor features and collect them in one application. It aims at speeding up your workflow and help you write without any interruptions.
As easy to use as a word document or bulleted list, and as powerful for finding, collecting, and connecting related ideas as a graph database. Collaborate with others in real time, or store all your data locally.
yWriter is a writing tool that uses "scenes" as a unit of text and allows you to associate that text with all manner of story elements (characters, locations, items) as well as place it and rearrange it within the context of chapters.
novelWriter is a Markdown-like text editor designed for writing novels and larger projects of many smaller plain text documents. It uses its own flavor of Markdown that supports a meta data syntax for comments, synopsis and cross-referencing between files.
A document manager and site builder/generator for Word users. You can open Word documents in tabs, manage documents on a project basis, full-text search documents across multiple project folders, attach tags, notes, stars, and so on to the documents.