Skribisto is described as 'is born from the ashes of Plume Creator , keeping the goals while adopting more recent ways to think an application' and is an app in the News & Books category. There are more than 25 alternatives to Skribisto for a variety of platforms, including Windows, Mac, Linux, Online / Web-based and iPad. The best alternative is Manuskript, which is both free and Open Source. Other great apps like Skribisto are Scrivener (Paid), Dendron (Free, Open Source), Bear (Freemium) and Hemingway Editor (Paid).
Manuskript is an open-source tool for writers, with outliner, character management, plot development, distraction-free editor, etc. Outliner Organize your thoughts and snippets in a hierarchical manner. Organize them as you wish, reorganize them on the go.
Dendron is an open-source, local-first, markdown-based, note-taking tool built on top of VSCode. It supports all the usual features you would expect like tagging, backlinks, a graph view, split panes, and so forth.
Bear is a beautiful and flexible writing app for note-taking and prose, both on the go for iOS devices and for the Mac OS desktop. KEY FEATURES - Stay organized by linking notes to each other. - Use hashtags to organize and add context to notes.
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.
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.
Looking for a suite of tools for writing your book? This is not just a text editor it does so much more. Organise your story using timelines, planning boards and the snowflake tool, all integrated to make writing intuitive and fun.