Manuskript might be a bit more popular than TYPO3. We know about 1 link to it since March 2021 and only 1 link to TYPO3. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.
But there was this TYPO3 CMS that I was actually always in contact with. Already at the very beginning when it was released I used it privately. In the first years of my second attempt as a freelancer, I used TYPO3 more and more, and got better and better at it. - Source: dev.to / over 3 years ago
Looks like you want something that integrates well with your workflow. The closest to your description seems to be Manuskript although I haven't used it. But your requirement of "keeping notes and frameworks and linking back and forth" should be possible by stitching together existing Linux tools using a syntax like markdown or asciidoc so that you can use any text editor to write your story and use external tools... Source: almost 3 years ago
WordPress - WordPress is web software you can use to create a beautiful website or blog. We like to say that WordPress is both free and priceless at the same time.
Scrivener - Scrivener is a content-generation tool for composing and structuring documents.
Craft CMS - Content management system built on Yii PHP Framework
yWriter - Free writing software designed by the author of the Hal Spacejock and Hal Junior series. yWriter6 helps you write a book by organising chapters, scenes, characters and locations in an easy-to-use interface.
Drupal - Drupal - the leading open-source CMS for ambitious digital experiences that reach your audience across multiple channels. Because we all have different needs, Drupal allows you to create a unique space in a world of cookie-cutter solutions.
StoryMill - Developers and publishers of Mac, Win, and iOS productivity, home and office and writing software such as MacGourmet, Paperless and many more. Based in MN.