Sites and apps similar to Six Axes include Scrivener. It's paid, but Fantasia Archive and Lore Forge are free. Other options are Fortelling, Aevon, Chronicler Pro and Campfire Write. You're spoiled for choice with Novel Authoring Tools like Six Axes: we list more than 25 alternatives for Windows, Mac, Linux, Android and iPhone.
Tailored for extensive writing, this tool offers flexible structure and organization, integrates project outlines, supports various formats, and allows reorganization through drag and drop, ensuring research materials are within reach for efficient work.
United Kingdom
Free offline worldbuilding and story creation tool with dozens of templates, complex tagging options, document linking, and project-wide search. Template examples: characters, places, events, religions, currencies, magic, species, languages.
The only app you'll need to write your novels and build your worlds. Organize your thoughts and cross-reference anything at any time.
United States
Fortelling provides the tools you need to plot & write your book.
Netherlands
EU
Aevon is the all-in-one workspace where authors manage manuscripts, characters, maps, lore, and items — all connected and always in sync. Now with comics!!!
United States
A versatile, cross-platform worldbuilding app that can be used as a simple note-taking app, a private local wiki, a writing tool for a novel, or a TTRPG campaign manager.
United Kingdom
Campfire provides a one-stop-shop for novelists: organizational and writing tools (Campfire Write), a hub of writing resources (Campfire Learn), & a writing and reading platform for building an audience and sharing your work (Campfire Explore).
United States
The Goblin's Notebook is a single-pane view of your tabletop RPG campaign notes for pre-session planning, in-session note taking and post-session recapping.
Visual story plotting software for planning novels with drag and drop scenes, timeline and outline views, centralized notes, features for making characters and locations, color coding, tagging, syncing across devices, and exporting to multiple formats.
United States
Kanka is an easy and flexible tool to worldbuild and manage your RPG campaign online. Create and organize people, places, organizations, events and much more.
Switzerland
A most awesome tool to outline and write novels, stories, scripts and keep track of all your characters, locations, notes and ideas.
A campaign planner and manager with loads of world building tools. The online campaign manager has system flexibility with features include:
