I have long been searching for an editor capable of handling large-scale document editing with both richness and freedom in content creation. Unfortunately, throughout years of writing, I never quite found such a tool. So I decided to design one myself—an editor that would meet all these needs and serve as the ultimate home for the notes I’ve accumulated over the years. And now, it’s here. I’m thrilled to share it with you.
which both support graphic note and classical note

This project is dedicated to developing a modern document editor that supports large-scale document editing, multifunctionality, personalization, and extensibility. It also serves as a highly flexible graphical note-taking tool, featuring—but not limited to—the following functionalities:
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Fully self-developed editor core and graphics engine
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Completely local note storage and entirely free to use
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Personalized note elements based on content blocks
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Large-scale rich text document editing
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Free nesting of note content with diverse note elements
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A consistent editing experience without fragmentation
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High degree of freedom in graphical note-taking, featuring diverse connectors and anchors, with support for hybrid layouts
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Rich styling options, including support for custom CSS
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Customizable themes and backgrounds
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High performance with fast loading and smooth editing
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Innovative block selection and layout root concepts
click this link to download https://github.com/deepskying/deepsky/releases