Best Book Writing Apps in 2026

LibreOffice is a free and powerful office suite, and a successor to OpenOffice.org (commonly known as OpenOffice). Its clean interface and feature-rich tools help you unleash your creativity and enhance your productivity.

Platforms: Mac, Windows, PC

Best for: Drafting, Book, Essay, Journal, Poetry, Story, Blog, and Free

Website: https://www.libreoffice.org/

Also rated 4.0 ★ on TechRadar

Ever scribbled ideas on a piece of paper and drawn lines between related thoughts? Then you already know what Scapple does. It's a virtual sheet of paper that lets you make notes anywhere and connect them using lines or arrows.

Platforms: Mac, Windows, PC

Best for: Note-taking, Outlining, Journal, Book, Story, Essay, Poetry, and Blog

Website: https://www.literatureandlatte.com/scapple/overview

Also rated 5.0 ★ on TechRadar

Storyline Creator is an elegant writing tool that helps you streamline your writing process. It's incredibly fun to draft ideas, to visualize, enhance and organize your stories - so you can focus on your plot and the creativity instead of the paper war.

Platforms: Online

Best for: Outlining, Book, Story, and Free

Website: https://www.storylinecreator.com/

FocusWriter is a simple, distraction-free writing environment. It utilizes a hide-away interface that you access by moving your mouse to the edges of the screen, allowing the program to have a familiar look and feel to it while still getting out of the way so that you can immerse yourself in your work.

Platforms: Windows, PC

Best for: Drafting, Book, Essay, Journal, Poetry, Story, Blog, and Free

Website: https://gottcode.org/focuswriter/

Also rated 4.0 ★ on TechRadar

Compose bold, clear, mistake-free writing with Grammarly. Work with an AI writing partner that helps you find the words you need⁠—⁠to write that tricky email, to get your point across, to keep your work moving.

Platforms: Windows, Mac, iPhone, iPad, Android, Chrome, Online, PC

Best for: Editing, Proofreading, Book, Essay, Story, Blog, and Free

Website: https://www.grammarly.com/

Also rated 4.4 ★ on the App Store

Notes are just the beginning. Create and annotate anything, from study guides to storyboards. We've got an intuitive, minimal interface for you to start in seconds.

Platforms: Mac, iPhone, iPad

Best for: Note-taking, Book, Story, Journal, and Free

Website: https://notability.com/

Also rated 4.7 ★ on the App Store

Create beautiful handwritten notes, sketch your ideas, record audio, and organize your notes like never before.

Platforms: Mac, iPhone, iPad, Android

Best for: Note-taking, Journal, Book, Story, Essay, Poetry, and Blog

Website: https://www.noteshelf.net/

Also rated 4.4 ★ on the App Store

Polish & improve your novel. Identify word and phrase over-use. Monitor adverbs and clichés, crutch words and phrases. Improve sentence structure and punctuation.

Platforms: Windows, PC

Best for: Editing, Proofreading, Book, and Story

Website: https://smart-edit.com/

Most writers have at least one old notebook lying around somewhere, full of old story ideas, interesting characters, enchanting locations, or a myriad of other margin-scribbled thoughts. Notebook.ai is a worldbuilding tool that organizes, saves, and helps in fully fleshing out your fictional world, your way.

Platforms: Online, Chrome

Best for: Worldbuilding, Book, Story, and Free

Website: https://www.notebook.ai/

Black Note is the black theme's notepad. It's the simple notes app.

Platforms: Android

Best for: Note-taking, Story, Book, Blog, Journal, Poetry, and Free

Website: https://play.google.com/store/apps/details?id=notepad.not...

Also rated 4.8 ★ on Google Play

Super-clean writing space with a lot of configurability that stays out of sight when you don’t need it.

Platforms: Mac, iPhone, iPad

Best for: Note-taking, Drafting, Book, Story, Essay, Blog, and Free

Website: https://papereditor.app/

Also rated 4.2 ★ on the App Store

Get organized. Stay creative. Milanote is an easy-to-use tool to organize your ideas and projects into visual boards.

Platforms: iPhone, iPad, PC, Windows, Mac, Android, Chrome, Online

Best for: Note-taking, Outlining, Book, Story, Journal, and Free

Website: https://milanote.com/

Also rated 3.0 ★ on PC Magazine