Manuskript
Scrivener
bibisco
yWriter
oStorybook
Novelize
BlankPage
Novlr
WaveMaker
Neuron ESB
Scribe Online
K3
BedrockData
Clearlogin
System Frontier
AppSheet
Based on our record, Manuskript seems to be more popular. It has been mentiond 1 time since March 2021. 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.
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 5 years ago
Scrivener - Scrivener is a content-generation tool for composing and structuring documents.
Neuron ESB - Neuron ESB is an enterprise service bus making application integration easy.
bibisco - bibisco is a novel writing software.
Scribe Online - Cloud-based Integration Platform as a Service (iPaaS) and On-premise Data Integration Platforms.
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.
K3 - K3 is a powerful data-integration solution for use with both clouds and on-premise applications such as CRM, general ledgers, trading systems, order management, and operating systems, etc.