Gepetto might be a bit more popular than Manuskript. We know about 1 link to it since March 2021 and only 1 link to Manuskript. 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: over 2 years ago
I used https://gepettoapp.com (i built the tool), you won't be able to tell exactly what you want in terms of colors, but you'll be able to generate inspirations of ambiance quickly :). Source: about 1 year ago
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