Sigil is a multi-platform ebook editor. It is designed to edit books in ePub format.



Vellum is described as 'Use Vellum to create your eBook, explore styles, and instantly preview how it will be seen by readers' and is a Ebook Editor in the news & books category. There are more than 10 alternatives to Vellum for a variety of platforms, including Web-based, Mac, Windows, Linux and Android apps. The best Vellum alternative is Sigil, which is both free and Open Source. Other great apps like Vellum are Pinery, Tintero, ManuscriptHQ and Kindle Create.
Sigil is a multi-platform ebook editor. It is designed to edit books in ePub format.



Combines Markdown writing, live preview, and powerful design controls with instant exports in ePub, PDF, and HTML formats. Open format Markdown file storage, no vendor lock-in, customizable themes, and full privacy with local or iCloud storage on Mac.




Organize your ideas, create memorable characters, build immersive worlds, and write captivating stories. Tintero is your ideal companion to take your creative projects to the next level, from planning to book generation.




A step-by-step self-publishing workspace to write, organize, format, and get your book publishing-ready — without the overwhelm.




Reflowable format allows you to create files for Kindle, print, and EPUB. Readers can adjust the size of eBook fonts, margins, and various properties on Kindle.


Create professional print books and eBooks easily with the all-in-one book writing software.

"Scriba eBook Maker" is a project for building ebooks (in ePub, PDF and zip formats) using contents already available in other formats (e.g., HTML, PDF, XML, etc.) both on the Web and on file systems.
Novelist Freeware is a free in browser book writing application that helps you write your book in a simple and efficient way. It is designed to be easy to use, with a clean and intuitive interface that allows you to focus on your writing.




Lisapet.ai is the next-level AI product development platform that empowers teams to prototype, test, and ship robust AI features 10x faster.


Dynamiq is a platform built for engineers and data scientists to build, deploy, test, monitor and fine-tune Large Language Models for any use case the enterprise wants to tackle.




Dynamiq and Vellum have entirely different purposes. Dynamiq is for building and testing LLMs. Vellum is for producing printed books and ebooks.